{"title":"Bypass Valves","description":"","products":[{"product_id":"honeywell-automatic-bypass-valve-straight-22mm-du144","title":"Honeywell Automatic Bypass Valve - Straight - 22mm - DU144","description":"\u003cp\u003e\u003cspan\u003eThe automatic bypass and differential pressure valve controls water flow in the heating circuit according to the water pressure across it and is used to maintain a minimum flow rate through the boiler and to limit circulation pressure when other water paths are closed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaintain minimum flow through a boiler\u003c\/li\u003e\n\u003cli\u003eMinimises flow noise\u003c\/li\u003e\n\u003cli\u003eHinders boiler corrosion\u003c\/li\u003e\n\u003cli\u003eDifferential pressure finely adjustable using indicator scale\u003c\/li\u003e\n\u003cli\u003ePresetting covered by a protection cap\u003c\/li\u003e\n\u003cli\u003eNo external controls required\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kings Plumbing Supplies","offers":[{"title":"22mm","offer_id":46032135258379,"sku":"HON00000150","price":43.71,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/HON00000150_7e18e858-2a70-4174-8cc6-d62fa3497a3a.jpg?v=1742746259"},{"product_id":"honeywell-automatic-bypass-valve-angled-22mm-du145","title":"Honeywell Automatic Bypass Valve - Angled - 22mm - DU145","description":"\u003cp\u003e\u003cspan\u003eThe automatic bypass and differential pressure valve controls water flow in the heating circuit according to the water pressure across it and is used to maintain a minimum flow rate through the boiler and to limit circulation pressure when other water paths are closed. A bypass circuit must be installed if the Boiler manufacturer requires one, or specifies that a minimum flow rate has to be maintained whilst the Boiler is firing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaintain minimum flow through a boiler\u003c\/li\u003e\n\u003cli\u003eMinimises flow noise\u003c\/li\u003e\n\u003cli\u003eHinders boiler corrosion\u003c\/li\u003e\n\u003cli\u003eDifferential pressure finely adjustable using indicator scale\u003c\/li\u003e\n\u003cli\u003ePresetting accessible directly\u003c\/li\u003e\n\u003cli\u003eSetting value is in meters water column\u003c\/li\u003e\n\u003cli\u003eNo external controls required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Kings Plumbing Supplies","offers":[{"title":"22mm","offer_id":46032135520523,"sku":"HON00000160","price":43.71,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/HON00000160_abcedf45-75e9-461e-9df2-910db1b4eec7.jpg?v=1742746260"},{"product_id":"angled-bypass-valve-22mm","title":"Angled Bypass Valve - 22mm","description":"\u003cp\u003eAngled Bypass Valve - 22mm\u003c\/p\u003e","brand":"Kings Plumbing Supplies","offers":[{"title":"22mm","offer_id":46076298166539,"sku":"VLV00005590","price":7.51,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/VLV00005590_3a29ccba-b775-41eb-92ee-81433957c8b7.jpg?v=1743267179"},{"product_id":"straight-bypass-valve-22mm","title":"Straight Bypass Valve - 22mm","description":"\u003cp\u003eStraight Bypass Valve - 22mm\u003c\/p\u003e","brand":"Kings Plumbing Supplies","offers":[{"title":"22mm","offer_id":46076298723595,"sku":"VLV00006060","price":15.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/VLV00006060_4279749e-c56a-4ca4-a7c1-48ef64214c69.jpg?v=1743267196"},{"product_id":"altecnic-series-519-ecopas-full-flow-differential-bypass-valve-22mm-519002glw","title":"Altecnic Series 519 Ecopas Full Flow Differential Bypass Valve - 22mm - 519002GLW","description":"\n\u003cdiv class=\"w-full lg:w-1-2 self-start\"\u003e\n\u003ch4\u003eDescription\u003c\/h4\u003e\n\u003cp\u003eThe Series 519 differential bypass valve uses a stainless steel compression spring to exert a pre-determined force onto the disc. The force is adjustable by turning the control knob to set the required differential pressure between 1 to 6 m head which corresponds to 10 to 60 kPa. The setting is then locked using the locking screw on the side of the control knob to prevent unauthorised adjustment.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eFeatures \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e22mm Comp - Series 519 Ecopas Full Flow Differential Bypass Valve (British Gas Approved) - 519002GLW\u003c\/li\u003e\n\u003cli\u003eDifferential bypass valve for use on heating systems where control is by zone or thermostatic radiator valves\u003c\/li\u003e\n\u003cli\u003eFitted between flow and return permitting circulation through boiler and helps prevent unnecessary cycling of boiler\u003c\/li\u003e\n\u003cli\u003eIndependently tested t meet British Gas specifications\u003c\/li\u003e\n\u003cli\u003eCompression joints for use on copper pipes\u003c\/li\u003e\n\u003cli\u003eUsed in a system with variable flow rates\u003c\/li\u003e\n\u003cli\u003eSimple to install, with only two joints to fix\u003c\/li\u003e\n\u003cli\u003eCan be fitted in any orientation\u003c\/li\u003e\n\u003cli\u003e22mm compression x compression connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"w-full lg:w-1-2 self-start redback1-override technical\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eSpecification\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMedium: water, glycol solution\u003c\/li\u003e\n\u003cli\u003eMax. percentage of glycol: 30%\u003c\/li\u003e\n\u003cli\u003eTemperature range: 0 to 110°C\u003c\/li\u003e\n\u003cli\u003eMax. working pressure: 10 bar\u003c\/li\u003e\n\u003cli\u003eSetting range: 1 to 6m head\/10 to 60 kPa\u003c\/li\u003e\n\u003cli\u003eBody: Brass\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cp\u003e*Stock dependant\u003c\/p\u003e","brand":"Kings Plumbing Supplies","offers":[{"title":"22mm","offer_id":46445283934475,"sku":"ALT00003280","price":43.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/ALT00003280_97232ae9-668b-4e69-8df9-d4aba9d3df65.jpg?v=1754269223"},{"product_id":"altecnic-series-519-ecopas-full-flow-differential-bypass-valve-1-1-4-female-x-male-union-519700","title":"Altecnic Series 519 Ecopas Full Flow Differential Bypass Valve - 1 1\/4\" Female x Male Union - 519700","description":"\n\u003cdiv class=\"w-full lg:w-1-2 self-start\"\u003e\n\u003ch4\u003eDescription\u003c\/h4\u003e\n\u003cp\u003eThe Series 519 differential bypass valve uses a stainless steel compression spring to exert a pre-determined force onto the disc. The force is adjustable by turning the control knob to set the required differential pressure between 1 to 6 m head which corresponds to 10 to 60 kPa. The setting is then locked using the locking screw on the side of the control knob to prevent unauthorised adjustment.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eFeatures \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1 1\/4\" Female x Male Union - Series 519 Ecopas Full Flow Differential Bypass Valve - 519700\u003c\/li\u003e\n\u003cli\u003eDifferential bypass valve for use on heating systems where control is by zone or thermostatic radiator valves\u003c\/li\u003e\n\u003cli\u003eFitted between flow and return permitting circulation through boiler and helps prevent unnecessary cycling of boiler\u003c\/li\u003e\n\u003cli\u003eUsed in a system with variable flow rates\u003c\/li\u003e\n\u003cli\u003eSimple to install, with only two joints to fix\u003c\/li\u003e\n\u003cli\u003eCan be fitted in any orientation\u003c\/li\u003e\n\u003cli\u003e1 1\/4\" Female x Male Union threaded connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"w-full lg:w-1-2 self-start redback1-override technical\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eSpecification\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMedium: water, glycol solution\u003c\/li\u003e\n\u003cli\u003eMax. percentage of glycol: 30%\u003c\/li\u003e\n\u003cli\u003eTemperature range: 0 to 110°C\u003c\/li\u003e\n\u003cli\u003eMax. working pressure: 10 bar\u003c\/li\u003e\n\u003cli\u003eSetting range: 1 to 6m head\/10 to 60 kPa\u003c\/li\u003e\n\u003cli\u003eBody: Brass\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cp\u003e*Stock dependant\u003c\/p\u003e","brand":"Kings Plumbing Supplies","offers":[{"title":"1 1\/4\"","offer_id":46445284000011,"sku":"ALT00003300","price":174.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/ALT00003280_3deafc3c-d86b-4668-85cc-5d3930b540da.jpg?v=1754269225"},{"product_id":"oventrop-differential-pressure-relief-valve-dn20-1085206","title":"Oventrop Differential Pressure Relief Valve - DN20 - 1085206","description":"\n\u003ch4\u003eFeatures \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDN20 Differential Pressure Relief Valve\u003c\/li\u003e\n\u003cli\u003eDifferential pressure relief valve\u003c\/li\u003e\n\u003cli\u003ePresent indicator\u003c\/li\u003e\n\u003cli\u003eHelps maintain minimum water circulation or to avoid flow noises\u003c\/li\u003e\n\u003cli\u003eLockable\u003c\/li\u003e\n\u003cli\u003eAdjustable setting of nominal value between 0.05 and 0.5 Bar\u003c\/li\u003e\n\u003cli\u003eBrass body\u003c\/li\u003e\n\u003cli\u003eMax. operating pressure: 10 Bar\u003c\/li\u003e\n\u003cli\u003eMax. operating temperature: 120°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Stock dependant\u003c\/p\u003e","brand":"Kings Plumbing Supplies","offers":[{"title":"DN20","offer_id":46445284622603,"sku":"OVE00000990","price":110.78,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/OVE00000990_658f4b1d-e728-46df-9bcf-caa57886bcff.jpg?v=1764751765"},{"product_id":"oventrop-differential-pressure-relief-valve-dn25-1085208","title":"Oventrop Differential Pressure Relief Valve - DN25 - 1085208","description":"\n\u003ch4\u003eFeatures \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDN25 Differential Pressure Relief Valve\u003c\/li\u003e\n\u003cli\u003eDifferential pressure relief valve\u003c\/li\u003e\n\u003cli\u003ePresent indicator\u003c\/li\u003e\n\u003cli\u003eHelps maintain minimum water circulation or to avoid flow noises\u003c\/li\u003e\n\u003cli\u003eLockable\u003c\/li\u003e\n\u003cli\u003eAdjustable setting of nominal value between 0.05 and 0.5 Bar\u003c\/li\u003e\n\u003cli\u003eBrass body\u003c\/li\u003e\n\u003cli\u003eMax. operating pressure: 10 Bar\u003c\/li\u003e\n\u003cli\u003eMax. operating temperature: 120°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Stock dependant\u003c\/p\u003e","brand":"Kings Plumbing Supplies","offers":[{"title":"DN25","offer_id":46445285146891,"sku":"OVE00001000","price":169.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/OVE00000990_4d4f27fc-b643-4866-8581-644d95675ef6.jpg?v=1764751765"},{"product_id":"oventrop-differential-pressure-relief-valve-dn32-1085210","title":"Oventrop Differential Pressure Relief Valve - DN32 - 1085210","description":"\n\u003ch4\u003eFeatures \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDN32 Differential Pressure Relief Valve\u003c\/li\u003e\n\u003cli\u003eDifferential pressure relief valve\u003c\/li\u003e\n\u003cli\u003ePresent indicator\u003c\/li\u003e\n\u003cli\u003eHelps maintain minimum water circulation or to avoid flow noises\u003c\/li\u003e\n\u003cli\u003eLockable\u003c\/li\u003e\n\u003cli\u003eAdjustable setting of nominal value between 0.05 and 0.5 Bar\u003c\/li\u003e\n\u003cli\u003eBrass body\u003c\/li\u003e\n\u003cli\u003eMax. operating pressure: 10 Bar\u003c\/li\u003e\n\u003cli\u003eMax. operating temperature: 120°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Stock dependant\u003c\/p\u003e","brand":"Kings Plumbing Supplies","offers":[{"title":"DN32","offer_id":46445285179659,"sku":"OVE00001010","price":259.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/OVE00000990_c1e09800-5d11-40ed-aa6c-fb38849e85f8.jpg?v=1764751766"},{"product_id":"rwc-straight-automatic-dial-up-differential-bypass-valve-22mm-diff200005","title":"RWC Straight Automatic Dial Up Differential Bypass Valve - 22mm - DIFF200005","description":"\n\u003ch4 class=\"review\"\u003eDescription\u003c\/h4\u003e\n\u003cp\u003eThe differential bypass valve is used to stabilise the circulation, flow rate and pump pressures in central heating systems. Designed for a quick and simple installation where the valve is set using a visual dial based on your system calculations for the differential pressure. The valve is set by rotating the adjustment dial (with all radiators closed) to the desired differential opening pressure. The valve allows the optimum flow rate through the boiler to be maintained by automatically opening and allowing circulation to continue even if all the thermostatic radiator valves are closed.\u003c\/p\u003e\n\u003ch4 class=\"review\"\u003eFeatures \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e22mm Straight Automatic Dial-Up Differential By-Pass Valve - DIFF 200 005\u003c\/li\u003e\n\u003cli\u003eMaximum operating pressure: 10 bar \u003c\/li\u003e\n\u003cli\u003eDifferential opening pressure range: 0-0.5bar \u003c\/li\u003e\n\u003cli\u003eOperating temperature: 110°C\u003c\/li\u003e\n\u003cli\u003eConnection Size: 22mm\u003c\/li\u003e\n\u003cli\u003eValve Body: Standard Brass\u003c\/li\u003e\n\u003cli\u003eSpring: Stainless Steel\u003c\/li\u003e\n\u003cli\u003eO-Ring: EPDM\u003c\/li\u003e\n\u003cli\u003ePiston: POM\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kings Plumbing Supplies","offers":[{"title":"22mm","offer_id":46445285212427,"sku":"RWC00000820","price":29.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/RWC00000820_cb8a5f14-6512-4111-a888-c71abfe5d1f3.jpg?v=1772756813"},{"product_id":"watts-differential-bypass-valve-0-03-0-50-bar-3-4-fbsp-x-mbsp-265220","title":"Watts Differential Bypass Valve - 0.03-0.50 Bar - 3\/4\" FBSP x MBSP - 265220","description":"\n\u003ch4\u003eFeatures \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e0.03-0.50 bar - 3\/4\" FBSP x MBSP Differential By Pass Valve - 0265220\u003c\/li\u003e\n\u003cli\u003eRelief valve for systems with automatic or manual shut-off elements on the radiators (for instance: thermostatic valves or two-way zone valves) \u003c\/li\u003e\n\u003cli\u003e3\/4\" FBSP x MBSP Screwed End Connections\u003c\/li\u003e\n\u003cli\u003eBody and cap of brass CW617N\u003c\/li\u003e\n\u003cli\u003eAdjustment:\u003c\/li\u003e\n\u003cli\u003e- Position \"0\" = Fully open\u003c\/li\u003e\n\u003cli\u003e- Position \"7\" = Close to closing with 0.5 bar pressure\u003c\/li\u003e\n\u003cli\u003eMax. operating pressure: 6 bar \u003c\/li\u003e\n\u003cli\u003eOverpressure: 10 - 15%.\u003c\/li\u003e\n\u003cli\u003eMax. operating temperature: 110°C\u003c\/li\u003e\n\u003cli\u003ePlastic knob\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Stock dependant\u003c\/p\u003e","brand":"Kings Plumbing Supplies","offers":[{"title":"3\/4\"","offer_id":46445285277963,"sku":"WTS00000360","price":82.28,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/WTS00000360_f9c0c5b0-a9c0-4afa-933b-c858a83321fd.jpg?v=1767189053"},{"product_id":"watts-differential-bypass-valve-0-06-0-46-bar-1-1-4-fbsp-x-mbsp-265232","title":"Watts Differential Bypass Valve - 0.06-0.46 Bar - 1 1\/4\" FBSP x MBSP - 265232","description":"\n\u003ch4\u003eFeatures \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e0.06-0.46 bar - 1 1\/4\" FBSP x MBSP Differential By-pass Valve - 0265232\u003c\/li\u003e\n\u003cli\u003eRelief valve for systems with automatic or manual shut-off elements on the radiators (for instance: thermostatic valves or two-way zone valves)\u003c\/li\u003e\n\u003cli\u003e1 1\/4\" FBSP x MBSP Screwed End Connections\u003c\/li\u003e\n\u003cli\u003eBody and cap of brass CW617N\u003c\/li\u003e\n\u003cli\u003eAdjustment:\u003c\/li\u003e\n\u003cli\u003e- Position \"0\" = Fully open\u003c\/li\u003e\n\u003cli\u003e- Position \"7\" = Close to closing with 0.5 bar pressure\u003c\/li\u003e\n\u003cli\u003eMax. operating pressure: 6 bar Overpressure: 10 - 15%\u003c\/li\u003e\n\u003cli\u003eMax. operating temperature: 110°C\u003c\/li\u003e\n\u003cli\u003ePlastic knob\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Stock dependant\u003c\/p\u003e","brand":"Kings Plumbing Supplies","offers":[{"title":"1 1\/4\"","offer_id":46445285310731,"sku":"WTS00000370","price":87.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/WTS00000360_d9535a57-7992-4ffd-8c1d-bfe9448185e1.jpg?v=1767189054"},{"product_id":"watts-usvr-differential-bypass-valve-0-03-0-55-bar-1-fbsp-x-mbsp-265225","title":"Watts USVR Differential Bypass Valve - 0.03-0.55 Bar - 1\" FBSP x MBSP - 265225","description":"\n\u003ch4\u003eFeatures \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e0.03-0.55 bar - 1\" FBSP x MBSP - USVR Differential By-pass Valve - 0265225\u003c\/li\u003e\n\u003cli\u003eRelief valve for systems with automatic or manual shut-off elements on the radiators (for instance: thermostatic valves or two-way zone valves)\u003c\/li\u003e\n\u003cli\u003e1\" FBSP x MBSP Screwed End Connections \u003c\/li\u003e\n\u003cli\u003eBody and cap of brass CW617N.\u003c\/li\u003e\n\u003cli\u003eAdjustment: \u003c\/li\u003e\n\u003cli\u003e- Position \"0\" = Fully open\u003c\/li\u003e\n\u003cli\u003e- Position \"7\" = Close to closing with 0.5 bar pressure \u003c\/li\u003e\n\u003cli\u003eMax. operating pressure: 6 bar * Overpressure: 10 - 15%. \u003c\/li\u003e\n\u003cli\u003eMax. operating temperature: 110°C\u003c\/li\u003e\n\u003cli\u003ePlastic Knob Fitted\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Stock dependant\u003c\/p\u003e","brand":"Kings Plumbing Supplies","offers":[{"title":"1\"","offer_id":46445285343499,"sku":"WTS00000380","price":68.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/WTS00000360_70fcfdda-e352-4b8f-924d-9c0f82c59631.jpg?v=1767189055"},{"product_id":"officine-rigamonti-0183-series-bypass-valve-1-1-4-fbsp-x-mbsp-0183-033","title":"Officine Rigamonti 0183 Series Bypass Valve - 1 1\/4\" FBSP x MBSP - 0183.033","description":"\n\u003cdiv class=\"cell\"\u003e\n\u003cdiv id=\"ivzl\"\u003e\n\u003ch4 id=\"i3rq1\"\u003eDescription\u003c\/h4\u003e\n\u003cp id=\"ip4o9\"\u003e\u003c\/p\u003e\n\u003cdiv id=\"iafpn\"\u003e\u003cspan id=\"iow3v\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eOfficine Rigamonti 0183 Series Bypass Valve\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003eis designed to keep the differential pressure between the supply and return pipes in heating systems. This valve reduces the noise inside the system and protects from unnecessary wear and tear, which is ideal for maintaining the system stability.\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ijrfc\"\u003e\n\u003ch4 id=\"irxzg\"\u003eFeatures \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul id=\"ifjd2\"\u003e\n\u003cli id=\"in60w\"\u003eAdjustable Pressure Control\u003c\/li\u003e\n\u003cli id=\"i8edl\"\u003eBroad Temperature Compatibility\u003c\/li\u003e\n\u003cli id=\"i2pni\"\u003eHigh-Quality Construction\u003c\/li\u003e\n\u003cli id=\"i424d\"\u003eSuitable for Heat Pumps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ikl0c\" class=\"cell\"\u003e\n\u003cdiv id=\"i8wwg\"\u003e\n\u003ch4 id=\"i63lg\"\u003eSpecification\u003c\/h4\u003e\n\u003cul id=\"ig2iw\"\u003e\n\u003cli id=\"imp5p\"\u003e\n\u003cstrong id=\"iqets\" draggable=\"true\" data-highlightable=\"1\"\u003eBrand:\u003c\/strong\u003e Officine Rigamonti\u003c\/li\u003e\n\u003cli id=\"ie1op\"\u003e\n\u003cstrong id=\"iuoii\" draggable=\"true\" data-highlightable=\"1\"\u003eConnections: \u003c\/strong\u003e1\"1\/4\u003c\/li\u003e\n\u003cli id=\"iq79i\"\u003e\n\u003cstrong id=\"i0kot\" draggable=\"true\" data-highlightable=\"1\"\u003eMaterial: \u003c\/strong\u003eBrass\u003c\/li\u003e\n\u003cli id=\"i7tts\"\u003e\n\u003cstrong id=\"isvnr\" draggable=\"true\" data-highlightable=\"1\"\u003ePressure Range: \u003c\/strong\u003e10 to 60 kPa (0.1 to 0.6 Bar)\u003c\/li\u003e\n\u003cli id=\"ik02x\"\u003e\n\u003cstrong id=\"ipw9y\" draggable=\"true\" data-highlightable=\"1\"\u003eTemperature Range:\u003c\/strong\u003e 0°C to 110°C\u003c\/li\u003e\n\u003cli id=\"imzqv\"\u003e\n\u003cstrong id=\"il0dk\" draggable=\"true\" data-highlightable=\"1\"\u003eMaximum Working Pressure:\u003c\/strong\u003e 10 Bar\u003c\/li\u003e\n\u003cli id=\"i3fzt\"\u003e\n\u003cstrong id=\"iy0rm\" draggable=\"true\" data-highlightable=\"1\"\u003eMaximum Working Temperature:\u003c\/strong\u003e 110°C\u003c\/li\u003e\n\u003cli id=\"ikunl\"\u003e\n\u003cstrong draggable=\"true\" data-highlightable=\"1\" id=\"i0ick\"\u003eProduct Code: \u003c\/strong\u003e0183.033\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e*Stock dependant\u003c\/p\u003e","brand":"Kings Plumbing Supplies","offers":[{"title":"1 1\/4\" FBSP x MBSP","offer_id":49609430991115,"sku":"OFR00000090","price":70.33,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/OFR00000090_33cffcfd-0cfb-4e0f-bc1e-160c70b70856.jpg?v=1767182488"},{"product_id":"officine-rigamonti-0183-series-bypass-valve-3-4-fbsp-x-mbsp-0183-020","title":"Officine Rigamonti 0183 Series Bypass Valve - 3\/4\" FBSP x MBSP - 0183.020","description":"\n\u003cdiv class=\"cell\"\u003e\n\u003cdiv id=\"ivzl\"\u003e\n\u003ch4 id=\"i3rq1\"\u003eDescription\u003c\/h4\u003e\n\u003cp id=\"ip4o9\"\u003eThe Officine Rigamonti 0183 Series Bypass Valve is designed to keep the differential pressure between the supply and return pipes in heating systems. This valve reduces the noise inside the system and protects from unnecessary wear and tear, which is ideal for maintaining the system stability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ijrfc\"\u003e\n\u003ch4 id=\"irxzg\"\u003eFeatures \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul id=\"ifjd2\"\u003e\n\u003cli id=\"in60w\"\u003eAdjustable Pressure Control\u003c\/li\u003e\n\u003cli id=\"i2pni\"\u003eBroad Temperature Compatibility\u003c\/li\u003e\n\u003cli id=\"iz1rp\"\u003eHigh-Quality Construction\u003c\/li\u003e\n\u003cli id=\"i8edl\"\u003eSuitable for Heat Pumps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ikl0c\" class=\"cell\"\u003e\n\u003cdiv id=\"i8wwg\"\u003e\n\u003ch4 id=\"i63lg\"\u003eSpecification\u003c\/h4\u003e\n\u003cul id=\"ig2iw\"\u003e\n\u003cli id=\"imp5p\"\u003e\n\u003cstrong id=\"iqets\" draggable=\"true\" data-highlightable=\"1\"\u003eBrand:\u003cspan id=\"ici2g\" draggable=\"true\" data-highlightable=\"1\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003eOfficine Rigamonti\u003c\/li\u003e\n\u003cli id=\"i3fzt\"\u003e\n\u003cstrong id=\"iy0rm\" draggable=\"true\" data-highlightable=\"1\"\u003eConnections:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e3\/4\"\u003c\/li\u003e\n\u003cli id=\"ie1op\"\u003e\n\u003cstrong id=\"iuoii\" draggable=\"true\"\u003eMaterial: \u003c\/strong\u003e\u003cspan draggable=\"true\"\u003eBrass\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli id=\"ivoyh\"\u003e\n\u003cstrong id=\"i592o\" draggable=\"true\" data-highlightable=\"1\"\u003ePressure Range:\u003c\/strong\u003e 10 to 60 kPa (0.1 to 0.6 Bar)\u003c\/li\u003e\n\u003cli id=\"iyt1zp\"\u003e\n\u003cstrong id=\"ivrqwe\" draggable=\"true\" data-highlightable=\"1\"\u003eTemperature Range:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e0°C to 110°C\u003c\/li\u003e\n\u003cli id=\"i5tgk\"\u003e\n\u003cstrong id=\"ixcef\" draggable=\"true\"\u003eMaximum Working Pressure:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e10 Bar\u003c\/li\u003e\n\u003cli id=\"id3o6\"\u003e\n\u003cstrong id=\"ila9c\" draggable=\"true\" data-highlightable=\"1\"\u003eMaximum Working Temperature:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e110°C\u003c\/li\u003e\n\u003cli id=\"ia2rj\"\u003e\n\u003cstrong id=\"ijd4e\" draggable=\"true\"\u003ePart Number:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e0183.020\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e*Stock dependant\u003c\/p\u003e","brand":"Kings Plumbing Supplies","offers":[{"title":"3\/4\" FBSP x MBSP","offer_id":49609431056651,"sku":"OFR00000100","price":28.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/OFR00000090_9e9ef16e-6ae8-4cd2-b0fc-f3e77a7824d3.jpg?v=1767182488"},{"product_id":"inta-anti-tamper-by-pass-valve-straight-22mm-abps22at","title":"Inta Anti-Tamper By-Pass Valve - Straight - 22mm - ABPS22AT","description":"\n\u003cp\u003eInta’s anti tamper automatic differential by-pass valves have been designed to stabilize the circulation, flow rate and pump pressures in heating systems. The anti tamper head is secured by a grub screw ensuring that optimum system commissioning is maintained by preventing unwanted interference from would be vandals and end users. The valve can easily be set based on system calculations for the differential pressure and the visual dial on the valve. This allows the optimum flow rate through the boiler to be maintained by the valve automatically opening to by-pass, allowing the circulation to continue even if the thermostatic radiator valves are closed.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAnti tamper head\u003c\/li\u003e\n\u003cli\u003eAutomatically stabilises flow\u003c\/li\u003e\n\u003cli\u003eProtects the pump from pumping against closed head\u003c\/li\u003e\n\u003cli\u003eEasily adjustable\u003c\/li\u003e\n\u003cli\u003eAvailable with 22mm straight connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Stock dependant\u003c\/p\u003e ","brand":"Kings Plumbing Supplies","offers":[{"title":"22mm","offer_id":51778083553547,"sku":"INT00000560","price":12.69,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/INT00000560_cafa4cca-dff2-4cb7-b81b-d5fa74e13e4f.png?v=1769579175"},{"product_id":"inta-by-pass-valve-angled-22mm-abpa401022","title":"Inta By-Pass Valve - Angled - 22mm - ABPA401022","description":"\n\u003cp\u003eInta’s automatic differential by-pass valves have been designed to stabilise the circulation, flow rate and pump pressures in heating systems. The valve can easily be set based on system calculations for the differential pressure and the visual dial on the valve. This allows the optimum flow rate through the boiler to be maintained by the valve automatically opening to by-pass, allowing the circulation to continue even if the thermostatic radiator valves are closed.\u003c\/p\u003e\r\n\u003cul\u003e\n\u003cli\u003eAutomatically stabilises flow\u003c\/li\u003e\r\n\u003cli\u003eProtects the pump from pumping against closed head\u003c\/li\u003e\r\n\u003cli\u003eEasily adjustable\u003c\/li\u003e\r\n\u003cli\u003eAvailable with 22mm \u0026amp; 28mm angled or straight connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Stock dependant\u003c\/p\u003e ","brand":"Kings Plumbing Supplies","offers":[{"title":"22mm","offer_id":51778086535435,"sku":"INT00000790","price":10.39,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/INT00000790INT00000800_d768e5ef-990f-4f67-b229-a3bf47301022.png?v=1769579196"},{"product_id":"inta-by-pass-valve-angled-28mm-abpa28cp","title":"Inta By-Pass Valve - Angled - 28mm - ABPA28CP","description":"\n\u003cp\u003eInta’s automatic differential by-pass valves have been designed to stabilise the circulation, flow rate and pump pressures in heating systems. The valve can easily be set based on system calculations for the differential pressure and the visual dial on the valve. This allows the optimum flow rate through the boiler to be maintained by the valve automatically opening to by-pass, allowing the circulation to continue even if the thermostatic radiator valves are closed.\u003c\/p\u003e\r\n\u003cul\u003e\n\u003cli\u003eAutomatically stabilises flow\u003c\/li\u003e\r\n\u003cli\u003eProtects the pump from pumping against closed head\u003c\/li\u003e\r\n\u003cli\u003eEasily adjustable\u003c\/li\u003e\r\n\u003cli\u003eAvailable with 22mm \u0026amp; 28mm angled or straight connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Stock dependant\u003c\/p\u003e ","brand":"Kings Plumbing Supplies","offers":[{"title":"28mm","offer_id":51778086600971,"sku":"INT00000800","price":16.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/INT00000790INT00000800_47d0e6bd-bbbd-4ac1-874b-7eb6786fdf11.png?v=1769579198"},{"product_id":"inta-by-pass-valve-setting-range-0-1-0-7-bar-angled-1-1-4-f-x-m-bp012412500","title":"Inta By-Pass Valve - Setting Range 0.1 - 0.7 Bar - Angled - 1 1\/4\" F x M - BP012412500","description":"\n\u003cp\u003eInta’s automatic differential by-pass valves have been designed to stabilise the circulation, flow rate and pump pressures in heating systems. The valve can easily be set based on system calculations for the differential pressure and the visual dial on the valve. This allows the optimum flow rate through the boiler to be maintained by the valve automatically opening to by-pass, allowing the circulation to continue even if the thermostatic radiator valves are closed.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAutomatically stabilises flow\u003c\/li\u003e\r\n\u003cli\u003eProtects the pump from pumping against a closed head\u003c\/li\u003e\r\n\u003cli\u003eEasily adjustable\u003c\/li\u003e\r\n\u003cli\u003eAvailable with 22mm or MxF connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Stock dependant\u003c\/p\u003e ","brand":"Kings Plumbing Supplies","offers":[{"title":"1 1\/4\" F x M","offer_id":51778086666507,"sku":"INT00000810","price":79.23,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/INT00000810_-_INT00000840_0a96356a-98d1-44a6-b58c-0a469cffa03b.png?v=1769579199"},{"product_id":"inta-by-pass-valve-setting-range-0-1-0-7-bar-angled-1-f-x-m-bp012410000","title":"Inta By-Pass Valve - Setting Range 0.1 - 0.7 Bar - Angled - 1\" F x M - BP012410000","description":"\n\u003cp\u003eInta’s automatic differential by-pass valves have been designed to stabilise the circulation, flow rate and pump pressures in heating systems. The valve can easily be set based on system calculations for the differential pressure and the visual dial on the valve. This allows the optimum flow rate through the boiler to be maintained by the valve automatically opening to by-pass, allowing the circulation to continue even if the thermostatic radiator valves are closed.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAutomatically stabilises flow\u003c\/li\u003e\r\n\u003cli\u003eProtects the pump from pumping against a closed head\u003c\/li\u003e\r\n\u003cli\u003eEasily adjustable\u003c\/li\u003e\r\n\u003cli\u003eAvailable with 22mm or MxF connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Stock dependant\u003c\/p\u003e ","brand":"Kings Plumbing Supplies","offers":[{"title":"1\" F x M","offer_id":51778086699275,"sku":"INT00000820","price":42.96,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/INT00000810_-_INT00000840_957497bf-6b2a-4770-b930-db75bca1b5a7.png?v=1769579200"},{"product_id":"inta-by-pass-valve-setting-range-0-1-0-7-bar-angled-22mm-bp01242200","title":"Inta By-Pass Valve - Setting Range 0.1 - 0.7 Bar - Angled - 22mm - BP01242200","description":"\n\u003cp\u003eInta’s automatic differential by-pass valves have been designed to stabilise the circulation, flow rate and pump pressures in heating systems. The valve can easily be set based on system calculations for the differential pressure and the visual dial on the valve. This allows the optimum flow rate through the boiler to be maintained by the valve automatically opening to by-pass, allowing the circulation to continue even if the thermostatic radiator valves are closed.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAutomatically stabilises flow\u003c\/li\u003e\r\n\u003cli\u003eProtects the pump from pumping against a closed head\u003c\/li\u003e\r\n\u003cli\u003eEasily adjustable\u003c\/li\u003e\r\n\u003cli\u003eAvailable with 22mm or MxF connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Stock dependant\u003c\/p\u003e ","brand":"Kings Plumbing Supplies","offers":[{"title":"22mm","offer_id":51778086764811,"sku":"INT00000830","price":40.23,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/INT00000810_-_INT00000840_87f5d026-500d-47e1-a327-cfbf5522a62e.png?v=1769579200"},{"product_id":"inta-by-pass-valve-setting-range-0-1-0-7-bar-angled-3-4-f-x-m-bp012407500","title":"Inta By-Pass Valve - Setting Range 0.1 - 0.7 Bar - Angled - 3\/4\" F x M - BP012407500","description":"\n\u003cp\u003eInta’s automatic differential by-pass valves have been designed to stabilise the circulation, flow rate and pump pressures in heating systems. The valve can easily be set based on system calculations for the differential pressure and the visual dial on the valve. This allows the optimum flow rate through the boiler to be maintained by the valve automatically opening to by-pass, allowing the circulation to continue even if the thermostatic radiator valves are closed.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAutomatically stabilises flow\u003c\/li\u003e\r\n\u003cli\u003eProtects the pump from pumping against a closed head\u003c\/li\u003e\r\n\u003cli\u003eEasily adjustable\u003c\/li\u003e\r\n\u003cli\u003eAvailable with 22mm or MxF connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Stock dependant\u003c\/p\u003e ","brand":"Kings Plumbing Supplies","offers":[{"title":"3\/4\" F x M","offer_id":51778086797579,"sku":"INT00000840","price":41.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/INT00000810_-_INT00000840_ac019347-f805-4e62-8e1b-4db3dc3c936e.png?v=1769579201"},{"product_id":"inta-by-pass-valve-straight-22mm-abps402022","title":"Inta By-Pass Valve - Straight - 22mm - ABPS402022","description":"\n\u003cp\u003eInta’s automatic differential by-pass valves have been designed to stabilise the circulation, flow rate and pump pressures in heating systems. The valve can easily be set based on system calculations for the differential pressure and the visual dial on the valve. This allows the optimum flow rate through the boiler to be maintained by the valve automatically opening to by-pass, allowing the circulation to continue even if the thermostatic radiator valves are closed.\u003c\/p\u003e\r\n\u003cul\u003e\n\u003cli\u003eAutomatically stabilises flow\u003c\/li\u003e\r\n\u003cli\u003eProtects the pump from pumping against closed head\u003c\/li\u003e\r\n\u003cli\u003eEasily adjustable\u003c\/li\u003e\r\n\u003cli\u003eAvailable with 22mm \u0026amp; 28mm angled or straight connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Stock dependant\u003c\/p\u003e ","brand":"Kings Plumbing Supplies","offers":[{"title":"22mm","offer_id":51778086830347,"sku":"INT00000850","price":11.53,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/INT00000850INT00000860_6c09aed2-35e1-44f3-b6cc-8dcdead07992.png?v=1769579203"},{"product_id":"inta-by-pass-valve-straight-28mm-abps28cp","title":"Inta By-Pass Valve - Straight - 28mm - ABPS28CP","description":"\n\u003cp\u003eInta’s automatic differential by-pass valves have been designed to stabilise the circulation, flow rate and pump pressures in heating systems. The valve can easily be set based on system calculations for the differential pressure and the visual dial on the valve. This allows the optimum flow rate through the boiler to be maintained by the valve automatically opening to by-pass, allowing the circulation to continue even if the thermostatic radiator valves are closed.\u003c\/p\u003e\r\n\u003cul\u003e\n\u003cli\u003eAutomatically stabilises flow\u003c\/li\u003e\r\n\u003cli\u003eProtects the pump from pumping against closed head\u003c\/li\u003e\r\n\u003cli\u003eEasily adjustable\u003c\/li\u003e\r\n\u003cli\u003eAvailable with 22mm \u0026amp; 28mm angled or straight connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Stock dependant\u003c\/p\u003e ","brand":"Kings Plumbing Supplies","offers":[{"title":"28mm","offer_id":51778086863115,"sku":"INT00000860","price":16.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/INT00000850INT00000860_df3f7a1f-553e-40a2-ab5f-39ef55f9639c.png?v=1769579203"},{"product_id":"drayton-dtb-automatic-angled-by-pass-valve-22mm-07-02-020","title":"Drayton DTB - Automatic Angled By-Pass Valve - 22mm - 07 02 020","description":"\u003cp\u003e\u003ca href=\"https:\/\/www.draytoncontrols.co.uk\/sites\/default\/files\/2025-04\/D30-9%20Automatic%20By%20Pass%20Valve%20Datasheet.pdf\" target=\"_blank\" title=\"Drayton Automatic By-Pass Valve Datasheet\" rel=\"noopener\"\u003eDrayton Automatic By-Pass Valve Datasheet\u003c\/a\u003e\u003c\/p\u003e\r\n\u003cp\u003eThe automatic by-pass valve is designed to maintain a minimum flow rate in heating systems fitted with thermostatic radiator valves.\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eMaintains optimum flow\u003c\/li\u003e\r\n\u003cli\u003eAutomatic operation - set and forget\u003c\/li\u003e\r\n\u003cli\u003eEnsures quiet operation\u003c\/li\u003e\r\n\u003cli\u003eHigh quality and reliability you expect from Drayton\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003ePart number: 07 02 2020\u003c\/li\u003e\r\n\u003cli\u003eConnection: 22mm\u003c\/li\u003e\r\n\u003cli\u003eSetting range: 0.05 to 0.5 Bar\u003c\/li\u003e\r\n\u003cli\u003eWorking pressure: 10 Bar\u003c\/li\u003e\r\n\u003cli\u003eWorking temperature: 120°C intermittent\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Kings Plumbing Supplies","offers":[{"title":"22mm","offer_id":52823346217227,"sku":"DRA00000160","price":21.93,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/DRA00000160.png?v=1768327369"}],"url":"https:\/\/plumblikeaking.co.uk\/collections\/bypass-valves.oembed?page=2","provider":"Kings Plumbing Supplies Limited","version":"1.0","type":"link"}