Heating on Hot Water only but pump continues to feed heating


Postby DigsySE18 » Thu Aug 14, 2008 2:48 pm

My boiler is programmed to heat the water only twice a day. During those times the central heating pump comes on as well and pumps water through the rads. The sound of water pumping round the system is very noisy. How do I stop it???
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Postby htg engineer » Thu Aug 14, 2008 3:56 pm

Type of system ?
make and model of boiler ?
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Postby DigsySE18 » Thu Aug 14, 2008 6:58 pm

Hi. Itrs a Potterton Suprema 30-80, wall mounted fan assisted balanced flue gas boiler
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Postby htg engineer » Fri Aug 15, 2008 6:27 am

There'll only be one pump and a 3 port valve, check the 3 port valve and actuator - it's probably the actuator that is faulty.


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htg engineer
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Postby AdamsHeating » Fri Aug 15, 2008 8:15 am

Hi,

5-1 favourite to be the actuator, it always is.

I might move into research on the production of an infallible actuator, what do you think htg engineer, split the profits, there is bound to be some!?
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