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Mend Worcester Bosch Greenstar 24i/28i Home Heating Systems

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Mend Worcester Bosch Greenstar 24i/28i Turned Radiators Heat

My heating is on?

Thermostat is turned off so the central heating shouldn't be on. However the radiators are all giving out heat (very hot).
Worcester Bosch,
boiler Greenstar 24i junior/28i junior
MT10RF/mechanical RF thermostat

Any suggestions on how to turn heating off until I can call an engineer in the morning (it's midnight). Thanks

Over heated female
September 2016
Worcester BoschWorcester Bosch Greenstar 24i/28iHeating, Home Heating SystemsTurned Radiators Heat
Hi, The problem is the divertor valve (probably the actuater). The boiler is trying to heat the water in the heat exchanger to enable instant hot water from a tap.
Usually takes a few seconds.
In your case the valve hasn't diveted so the water is flowing through the rads.
Engineer should check actuator motor firstly.
Simple fix, shouldn't cost much.
Hope this helps!

allgasinstaller.
September 2016
It's now 6am - turn off the electrical power supply to the boiler

Stay Cool...
September 2016

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