Glow-Worm 20118178 Flow Switch | Genuine Replacement Spare Part

Glow-Worm 20118178 Flow Switch | Genuine Replacement Spare Part

Genuine Glow-Worm 20118178 flow switch for compatible Glow-Worm boilers. Safety device that monitors water circulation and prevents the boiler from firing when flow rate is too low. Gas Safe registered engineer required.The price shown includes FREE DELIVERY.
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