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hot water works but central heating does not?

hot water works but central heating does not - is this a broken/stuck 3way valve

jack
November 2008
Try manually moving the 3 way valve there should be a small lever on the one end, if this solves the problem then it could be solved by just a replacement motor, if however the small plastic teath have worn on the valve then it may need awhole new valve.
Easy to replace just note where the coloured wires connect too before you disconnect.

Gambo
November 2008

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