Question about Heating & Cooling
My central heating and hot water system is an ideal classic with 2x 2port danfoss motorised valves and a pump. my hot water pump is running all of the time even when the bolier is not on and thermostats (heating and water) are up to temperature. the only way the pump stops is when i turn off the main power supply for the whole heatingsystem.... can anyone advse what is wrong? thanks
One of the valve is sticking open calling for heat or hot water , or cylinderstat is calling or pump over run on boiler is not working
Posted on May 30, 2010
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Posted on Jan 02, 2017
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