Royboy Posted September 18, 2017 Report Share Posted September 18, 2017 (edited) Before I get a a plumber in does anyone have any ideas on my heating problem ? Main radiator in living room only gets slightly warm when heating is on. If I turn every single radiator off in the house the living room radiator gets hot, then when I turn the rest of the radiators back on the living room one cools down again and only half works ! Doing my head in Edited September 18, 2017 by Royboy Quote Link to comment Share on other sites More sharing options...
Andy H Posted September 18, 2017 Report Share Posted September 18, 2017 Have you bled it. Quote Link to comment Share on other sites More sharing options...
Medic1281 Posted September 18, 2017 Report Share Posted September 18, 2017 The system needs balancing I think. Google it as it will explain better than I can. Quote Link to comment Share on other sites More sharing options...
Me matt Posted September 18, 2017 Report Share Posted September 18, 2017 Have you got a combi system? We have and ours need re pressuring when that happens. Quote Link to comment Share on other sites More sharing options...
Royboy Posted September 18, 2017 Author Report Share Posted September 18, 2017 Yeah I tried bleeding it, I've heard of this balancing, I think It's on youtube so I'll take a look,cheers Have you got a combi system? We have and ours need re pressuring when that happens.Yeah I've pressurised it cheers 👍 Quote Link to comment Share on other sites More sharing options...
figgy Posted September 18, 2017 Report Share Posted September 18, 2017 (edited) Needs balancing it's not getting enough flow to heat it. Water will take the path of least resistance. If after balancing it still don't heat up properly try turning the pump up to its next setting they usually have three settings. That one radiator could also be full of sludge and need flushing out. Edited September 18, 2017 by figgy Quote Link to comment Share on other sites More sharing options...
Saltings Posted September 18, 2017 Report Share Posted September 18, 2017 may need bleeding but most likely needs radiators balances which is done by closing down the little tap on the opposite side to the thermos valve on all of the hotter radiators so that it forces water to the furthest in the run may take a few goes at it sorted Quote Link to comment Share on other sites More sharing options...
Royboy Posted September 18, 2017 Author Report Share Posted September 18, 2017 Needs balancing it's not getting enough flow to heat it. Water will take the path of least resistance. If after balancing it still don't heat up properly try turning the pump up to its next setting they usually have three settings. That one radiator could also be full of sludge and need flushing out. I'll try balancing them tomorrow 👍 I don't think they will be full of sludge because I fit new radiators in every room about 3 years ago ? Quote Link to comment Share on other sites More sharing options...
B725 Posted September 19, 2017 Report Share Posted September 19, 2017 Turn off all the other radiators using the lock sheild valve allow the radiator to get hot then open one valve at a time but only just open enough to allow hot water to flow into the radiator. This will restrict the flow to the radiators that get hot it can be time consuming Quote Link to comment Share on other sites More sharing options...
Old Boggy Posted September 19, 2017 Report Share Posted September 19, 2017 If when you turn off other rads, the problem one gets hot, then it`s more than likely a balancing problem. Balancing the system is not rocket science, just try gradually partially shutting down the rads starting with those nearest the boiler/pump being shut down a bit more than those further away. This should be done using the lockshield valve on each rad, not the wheel head or TRV, until this boosts the flow through the problematic rad. It`s a bit trial and error but not really difficult. Hope that this helps. OB Quote Link to comment Share on other sites More sharing options...
Winston72 Posted September 19, 2017 Report Share Posted September 19, 2017 how many rads on the system? a combi and 7or 8 shouldn't need balancing Quote Link to comment Share on other sites More sharing options...
Tim Kelly Posted September 19, 2017 Report Share Posted September 19, 2017 Check that the valves at both ends of the radiators are fully open before you start balancing the rest of the system to it. If you have a TRV on one side of the rad, take the head off and make sure the pin is moving freely. Quote Link to comment Share on other sites More sharing options...
Royboy Posted September 19, 2017 Author Report Share Posted September 19, 2017 There's 8 in my house, I've managed to get it working by balancing the radiators but now the boiler not working the way it was, think I'm going to have to get a plumber round, House went on the Market today haha Quote Link to comment Share on other sites More sharing options...
Royboy Posted September 19, 2017 Author Report Share Posted September 19, 2017 (edited) Actually it's gone right now, turned it off for a couple of hours at the mains and just tried it again and every single radiator red hot 👍 Cheers pigeons watch, lovely lovely lovley Edited September 19, 2017 by Royboy Quote Link to comment Share on other sites More sharing options...
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