Kings Plumbing Supplies
Honeywell Automatic Bypass Valve - Straight - 22mm - DU144
Honeywell Automatic Bypass Valve - Straight - 22mm - DU144
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The 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.
- Maintain minimum flow through a boiler
- Minimises flow noise
- Hinders boiler corrosion
- Differential pressure finely adjustable using indicator scale
- Presetting covered by a protection cap
- No external controls required
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