DIY Doctor

ch on when only water on

Postby giesmoney » Fri Apr 17, 2009 2:48 am

problem just started sealed system gas boiler radiator stays on when thermostat turned down and off at timer any help would be helpful
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Simply Build It

Postby stoneyboy » Sat Apr 18, 2009 12:56 pm

First place to check is the motorised valve/valves and see if they are stuck in the ch position.
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