Glow-Worm 20197555 Flow Sensor | Genuine Replacement Spare Part

Glow-Worm 20197555 Flow Sensor | Genuine Replacement Spare Part

Genuine Glow-Worm 20197555 DHW flow sensor for compatible Glow-Worm combi boilers. Detects water flow when a hot tap is opened and signals the PCB to switch the boiler into domestic hot water mode. Gas Safe registered engineer required.The price shown includes FREE DELIVERY.
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