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Central Heating

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Maxster | 21:51 Sat 28th Nov 2009 | Home & Garden
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Hi, this year our central heating system just doesn't seem to be reaching the required temperature. The heating and water are on continuously and we just turn the room thermostat down to 10o at night. When we turn the thermostat up, the heating is coming on at about 12o, and all the radiators in the house get hot. We keep increasing the thermostat temp by 2o each time it clicks off, but we are only getting up to 16o or 18o before it stops clicking off. If we turm the thermostat up to 20o it never reaches that temperature and the radiators are only warm. I've tried increasing the water temp on the boiler to maximum but it makes no difference. Surely the thermostat as not reached the required temp, the radiators should all be hot?? The heating system is 13 years old. Do you think it is a problem with the thermostat or the boiler.
Hope you can help?
Thanks
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Wow! You're going to have one heck of a bill & the winter hasn't even arrived yet, why keep it on all night?.

J
Don't you have it serviced every year?
Sounds like the pump could be knackered (technical term).
There is a room thermo and a water thermo (on boiler) on my system. Have you turned up the thermo for the water?

If rads are hot & not water - you have an air-lock in the system.......start bleeding the rads.
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Actually, when we moved in we did a test over the first few months and it was actually cheaper to keep the water heating on continuously, so that it keeps the temp constant, than to have it coming on twice a day and heating it up from cool. We turn the room thermostat down at night so the heating isn't on. Looks like it's time for a service. Thanks

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