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by keithm
Wed Oct 28, 2009 9:54 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Radiators not heating up
Replies: 7
Views: 9320

Heating system now fixed. It was the the 3-way valve. Got a man in to do it as I was not confident myself. He thought to start with that it might just be a burnt out motor but it was the whole valve being faulty. Luckily he could replace the mechanism without changing the whole plumbed in valve as h...
by keithm
Tue Sep 29, 2009 12:54 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Radiators not heating up
Replies: 7
Views: 9320

Looks as though it may be electrical then. Both with power off and on I can push the lever through the gears (turning on the pump) and it returns after about 30 seconds and the pump goes off. I notice on the timer if I go from off to on for hot water the boiler fires up but if I do this for the heat...
by keithm
Sat Sep 26, 2009 8:50 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Radiators not heating up
Replies: 7
Views: 9320

Thanks for the information. I have now tried moving the lever. It moves about two thirds of the way across and then is stiff and I can feel cogs turning. At the end of the travel the pump turns on and by holding it there all the radiators heat up so at least there is no blockage. So is that ba sign ...
by keithm
Wed Sep 23, 2009 4:10 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Radiators not heating up
Replies: 7
Views: 9320

Radiators not heating up

After the summer break I have turned on the Heating switch on my Honeywell timer but none of the radiators are heating up. Boiler comes on ok and the pump runs for a while until the water in the tank reaches the temperature on the tank thermostat. Each of the radiators has its own thermostatic contr...
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