{"product_id":"drayton-trv4-classic-straight-1-2-07-05-156","title":"Drayton TRV4 Classic - Straight - 1\/2\" - 07 05 156","description":"\u003cp\u003e\u003ca href=\"https:\/\/www.draytoncontrols.co.uk\/sites\/default\/files\/2025-04\/D10-18%20TRV4%20Range%20Datasheet%20with%20EB%20Valve%20Flow_compressed.pdf\" target=\"_blank\" title=\"Drayton TRV4 Thermostatic Radiator Valves Datasheet\" rel=\"noopener\"\u003eDrayton TRV4 Thermostatic Radiator Valves Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eThe TRV4 Classic is Class 1 rated for efficiency by the European valve manufacturers association making it one of the most energy efficient TRVs available.\u003c\/p\u003e\n\u003cp\u003eAvailable since 1993 and still Britain's best selling range of Thermostatic Radiator Valves Drayton's TRVs set the standards for design, performance and quality. The range includes Lockshield and Pushfit packs to suit most domestic and commercial heating systems.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1\/2\" Straight\u003c\/li\u003e\n\u003cli\u003eClass 1 rated\u003c\/li\u003e\n\u003cli\u003eReverse flow\u003c\/li\u003e\n\u003cli\u003eAccurate liquid sensor\u003c\/li\u003e\n\u003cli\u003eNon-stick internals\u003c\/li\u003e\n\u003cli\u003eDouble gland seal\u003c\/li\u003e\n\u003cli\u003eBalance system via the TRV\u003c\/li\u003e\n\u003cli\u003eContemporary slimline design\u003c\/li\u003e\n\u003cli\u003eBalance system via the TRV using our balancing key\u003c\/li\u003e\n\u003cli\u003e4 colour variants\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePart number: 1\/2\" Angled valve: 07 05 153 - 1\/2\" Straight valve: 07 05 156 - 3\/4\" Angled valve: 07 05 154\u003c\/li\u003e\n\u003cli\u003eApplied standards: BS EN 215\u003c\/li\u003e\n\u003cli\u003eEnergy efficiency rating: Class I\u003c\/li\u003e\n\u003cli\u003eTemperature setting range: approx. 10°C - 30°C\u003c\/li\u003e\n\u003cli\u003eTemperature setting numbers: 1 to 5 then MAX\u003c\/li\u003e\n\u003cli\u003eMax. flow temperature: 110°C\u003c\/li\u003e\n\u003cli\u003eMax. sensor temperature: 50°C\u003c\/li\u003e\n\u003cli\u003eFrost protection: Below 8°C\u003c\/li\u003e\n\u003cli\u003eSensitivity: 0.22mm\/°C\u003c\/li\u003e\n\u003cli\u003eControl accuracy: 0.6\u003c\/li\u003e\n\u003cli\u003eHysteresis: 0.4K\u003c\/li\u003e\n\u003cli\u003eDifferential pressure influence: 0.15K\u003c\/li\u003e\n\u003cli\u003eWater temperature influence: 0.8K\u003c\/li\u003e\n\u003cli\u003eResponse time: 20 minutes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kings Plumbing Supplies","offers":[{"title":"1\/2\" \/ Straight \/ White\/Chrome","offer_id":52823346544907,"sku":"DRA00000250","price":39.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/9546\/2667\/files\/DRA00000250.png?v=1768327371","url":"https:\/\/plumblikeaking.co.uk\/products\/drayton-trv4-classic-straight-1-2-07-05-156","provider":"Kings Plumbing Supplies Limited","version":"1.0","type":"link"}