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The Glow-worm 0020118640/SD 3-Way Valve Motor is a genuine replacement actuator designed to control the movement of the 3-way diverter valve within your boiler. This motor directs hot water between the central heating circuit and the domestic hot water system, ensuring smooth and accurate switching depending on user demand.

A failing valve motor can lead to issues such as no hot water, radiators heating when a tap is opened, slow response times, or inconsistent temperature control. Replacing it with this genuine Glow-worm part restores precise and reliable valve operation.

Key Features

  • Genuine Glow-worm 3-way valve motor

  • Controls switching between heating and hot water circuits

  • Ensures fast and accurate response to demand

  • Helps resolve no-hot-water issues and incorrect flow direction

  • Direct-fit replacement for quick, reliable installation

Compatible With

This valve motor is suitable for:

  • Glow-worm Betacom

  • Glow-worm Easicom

  • Glow-worm CI

  • Glow-worm CXI

Please confirm the part number (0020118640/SD) with your boiler manual to ensure correct compatibility.

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