PL307425

WRAS Approved Boiler Filling Loop 15mm – Part L Compliant Combi Boiler Refill Hose with Double Check Valve

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  • £22.66
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The WRAS Approved Boiler Filling Loop (15mm) is designed for topping up sealed central heating systems on combi boilers. It provides a controlled way to refill the system when pressure drops, helping keep your heating running efficiently and reliably.