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Central Heating
Radiators get hot when hot water runs on combi boiler
Anonymous user 28 February 2024 - 3.29 PM
A worcester boiler anf something steange is happening. Central heating is turned off from programmer and also all rhe way down from thetmostat and also from boiler heating knob. Yet radiators get hot especially when hot water us running. Also noticed that hot water takes longer to reach the tap . Any advice would be appreciated
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2 Answers
Heatgoltd
Hello i think is the diverted valve is the problem , my advice is to get around an heating engineer to have a proper look and sort the problem .
Answered15 June 2017
9
Anonymous user
Sounds like a mid position, or divert valve issue. Typically the valve is operated by a motor which is controlled by an 'actuator', or switch. That switch is tripped by your programmer. The whole device controls the flows to your hot water and heating systems.
There are two components to check: the valve and the actuator. If the valve is not stuck the actuator can usually be replaced for about £50, parts plus labour. The entire assembly may set you back £75. A competent handyman can do this. A plumber will have to charge much more. I did one recently and it took me two hours, start to finish.
Answered16 June 2017
7