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c/h not working but hot water working?

glow-worm fuelsaver boiler gives me hot water but the radiators do not get hot.
jim, December 2008
Could be the pump if its an older boiler,or a motorised valve could be faulty.Make sure the room stat is turned up if you have one.

Tony S, December 2008
link Click here to see other fixes for Glow-Worm.