The 22mm Automatic By Pass Valve (BPV100S) is a precision-engineered relief valve designed for sealed heating systems. It automatically diverts excess pressure away from the boiler, protecting your system from damage and extending component lifespan.
Ideal for installers and maintenance engineers, this valve maintains optimal system pressure while preventing costly repairs. Its compact 22mm connection fits seamlessly into existing pipework, making it a reliable choice for both new installations and system upgrades.
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