Heating won't turn off

Joined
18 Aug 2009
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Location
Hampshire
Country
United Kingdom
Hi - woke up today to a house at 26 degrees. Thermostat not clicking when turned up and down. Set heating and hot water both to off on the panel under the boiler, and went and bought a replacement thermostat from B&Q. However when I got home the house was still boiling even though I had turned the heating off.

The only way to stop it was to actually turn off the boiler at the wall.

What could be causing this? Thanks in advance for any help.
 
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Joined
18 Aug 2009
Messages
16
Reaction score
0
Location
Hampshire
Country
United Kingdom
I think it's more like the boiler is ignoring input from the thermostat or even the heating control next to the boiler and just heating and heating and heating. Setting the heating control to off, seems to be being ignored.

If the valve was sticking that would cause the pump to run, but wouldn't trigger the boiler to come on - is that right?
 

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