B&Q - 22mm Westco Angle Differential Bypass ValveAutomatic Pressure Control Valve For Central Heating Systems

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A differential bypass valve for central heating systems that maintains pressure and flow when thermostatic radiator valves close down. Key details:22mm compression fitting for standard copper pipe installationsAutomatically adjusts pressure to maintain system balanceDurable brass body with corrosion-resistant finishHelps reduce noise and wear in central heating systemsMaintains minimum water flow when TRVs close downProtects the central heating pump from pressure spikes A 22mm differential bypass valve for domestic central heating systems. Bypass valves maintain minimum circuit flow when thermostatic radiator valves close, protecting the heating pump and maintaining system efficiency in UK homes.