heating stays on

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15 Oct 2003
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hello I need help.
our room thermostat is being over ridden by our h/w thermostat. h/w & c/h work ok independantly. but when the room stat is on and the h/w stat comes on then the c/h will not go off until the h/w stat turns off.the 3 way valve motor is working. thanks in advance!!
 
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ARe you sure the three port valve is working as the symptons you have describe scream that it aint

I cant think of anything else that ill cause this problem?
 
SOunds more like it's wired wrongly?

Just before I go away for 3 weeks, I've just noticed that my own HW is getting up to boiler temp which it shouldn't!. 3 port valve is letting by to HW when on c heating. So it could be the head mechanism or the wet bits of the valve, right? Thought I'd take the top off the 3 port to move the shaft round to ch-only while we're away. For some reason one of the screws is seized in, so I had to push to hold the screwdriver in the slot. I couldn't get the screw out anyway, but the pushing has made the top plate of the valve leak. No time to change the valve - pipes will need cutting to get it out. So I've had to drain some water out, and will be coming back to a cold house.

Maybe I should have got a man in?
 
Give a key Chris and I will pop around and sort it for you, you can do the same when i finally get a holiday :LOL: :LOL: :LOL: :LOL: :LOL: :LOL: :LOL:


BUMMER mate
 
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