boiler only warm with centrel heating on


Postby dickthedevil » Fri Oct 19, 2007 6:28 pm

hi, l got a fault with the boiler, it was working ok last year. the raditors working ok very hot but the boiler only warm. Any ideas please.[/u]
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Postby The Heating Doctor » Sat Oct 20, 2007 11:49 pm

If the radiators are very hot, then your boiler must be hot! Do you mean the hot water cylinder is luke warm?
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Postby dickthedevil » Sun Oct 21, 2007 4:49 pm

yes the water cylinder is luke warm. the radiators are hot.
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Postby The Heating Doctor » Sun Oct 21, 2007 10:43 pm

1)Turn your cylinder stat up.

2) Check that the motorised valve is working correctly

3) Make sure their are no valves half closed.
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