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by Bobbee
Tue Apr 08, 2008 7:07 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Boiler firing almost continually
Replies: 1
Views: 2746

Boiler firing almost continually

My Potterton Suprima 60L fires almost continually. It does shut off every few minutes, the pump runs on a bit then stops and three seconds later the pump starts and the boiler fires again. this happens however many rads are calling for heat. We have thermostatic valves on all radiators except the ba...
by Bobbee
Mon Oct 15, 2007 8:22 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Banging noises
Replies: 8
Views: 8524

Banging noises

Thanks Heating Doctor for your replies and DavidM you are welcome to join in. Just one other factor in this situation. I have a bathroom towel rail with two lockshield valves that is plumbed on to the boiler flow and return. The installation instructions for my boiler says that this is an alternativ...
by Bobbee
Fri Oct 12, 2007 5:01 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Banging noises
Replies: 8
Views: 8524

Banging noises

Thank you very much for that reply. I am arranging to get one fitted. I am, however, told that an automatic by-pass valve is not required in a system with a 3 port valve even though the system has TRVs because the valve is always open for either heating or hot water It would be needed if it had two ...
by Bobbee
Tue Oct 09, 2007 9:39 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Banging noises
Replies: 8
Views: 8524

Banging noises

Our fairly recently installed central heating system (about three years old) produces banging noises at this time of the year every time the boiler ends its firing after achieving temperature. This happens when most of the TRVs are not calling for heat. We keep the hall rad fully on to try to compen...
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