Why is one radiator in my house cold when heating is on?
have tried bleeding it but it like there is no water in it
Answers:
Needs bleeding for longer then perhaps. Use a towel to catch the drips. Some radiators will need bleeding much more often than others: plumber told me the other day that sometimes you may need to bleed a radiator every week! Also the radiator that usually needs bleeding is the one that is highest in the system (not always though).
Has this radiator always been this way since you moved in? Or is it recent? If the first check it is turned on. There are the control knobs at the bottom of the radiator: they often have a temperature valve on them to turn them on or off. If there is no obvious control cap wiith figures on for us punters to use, then the control is going to be under those little white caps and may need adjusting.
I gather there should be a tank in the loft complete with ball valve just for the purpose of filling up the heating system. It gets its water from the main cold tank. So the system shouldn't run out of water. Fascinating what you learn.
no, because its full of air. open the valve, and leave it open untill water flows out.. thats what they mean by bleeding it.
the heating must be off when you bleed the radiator or the pump will suck air in
Could be one of a number of things. If it is controlled separately by a thermostatic valve, that may be faulty (but I'm sure you would have thought of that). Is it a new installation? If so perhaps the pipe sizing and layout is wrong. Or is the boiler powerful enough? I think you need a heating engineer.
it needs to be bled or maybe its turned off try turning the white knob at the bottom of your radiator
It is clogged or has a stuck valve if it is a hot water radiator and not a steam radiator. Yup, there is a difference LOL
air comes out at first keep bleeding it till water comes out if that makes sense
make sure it is turned on and then get a radiator bleed key(A square cut key) and ,making sure you have a towel handy,insert the key over the square nut on the top end of your rad and turn it. You will hear air escape and then water should appear as it rises to the top of the rad. When it is running with no air, tighten and Hey!, one hot rad!
Rod
Hi Nicky, assuming it has worked at some stage,there is a couple of checks you can do. Make sure both radiator valves are open at the bottom before you bleed it. You don't say where the rad is in relation to the boiler (and pump) if its a long way away you may have to 'balance' the system by cutting down the flow to all the other rads. This is done by closing down the outlet valve slightly on the other rads. Good Luck
Hot water and steam heat is usually set up with Zones, so heat can be regulated in different areas of the home, think of it as Circuits, the Circuit to that Radiator is propably off, by design or by a falty Solenoind Valve, such vales have an overide, you can pin it open. but First you must find the Supply line to that Radiator, -then make sure that valve is open.
something wrong with ur radiator.
Seems to me you have a plumbing problem, it may be blocked. You can cap it off, take it off the wall and flush it through. If this doesn't work, call a plumber or heating engineer.
sounds like you have an air lock stopping the water from getting ti the radiator
it sounds like its clogged up with sludge. it needs flushing out using a sludge remover available from any decent plumbers merchants. that will solve the problem. if you are loaded then just replace it with a new one.
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Answers:
Needs bleeding for longer then perhaps. Use a towel to catch the drips. Some radiators will need bleeding much more often than others: plumber told me the other day that sometimes you may need to bleed a radiator every week! Also the radiator that usually needs bleeding is the one that is highest in the system (not always though).
Has this radiator always been this way since you moved in? Or is it recent? If the first check it is turned on. There are the control knobs at the bottom of the radiator: they often have a temperature valve on them to turn them on or off. If there is no obvious control cap wiith figures on for us punters to use, then the control is going to be under those little white caps and may need adjusting.
I gather there should be a tank in the loft complete with ball valve just for the purpose of filling up the heating system. It gets its water from the main cold tank. So the system shouldn't run out of water. Fascinating what you learn.
no, because its full of air. open the valve, and leave it open untill water flows out.. thats what they mean by bleeding it.
the heating must be off when you bleed the radiator or the pump will suck air in
Could be one of a number of things. If it is controlled separately by a thermostatic valve, that may be faulty (but I'm sure you would have thought of that). Is it a new installation? If so perhaps the pipe sizing and layout is wrong. Or is the boiler powerful enough? I think you need a heating engineer.
it needs to be bled or maybe its turned off try turning the white knob at the bottom of your radiator
It is clogged or has a stuck valve if it is a hot water radiator and not a steam radiator. Yup, there is a difference LOL
air comes out at first keep bleeding it till water comes out if that makes sense
make sure it is turned on and then get a radiator bleed key(A square cut key) and ,making sure you have a towel handy,insert the key over the square nut on the top end of your rad and turn it. You will hear air escape and then water should appear as it rises to the top of the rad. When it is running with no air, tighten and Hey!, one hot rad!
Rod
Hi Nicky, assuming it has worked at some stage,there is a couple of checks you can do. Make sure both radiator valves are open at the bottom before you bleed it. You don't say where the rad is in relation to the boiler (and pump) if its a long way away you may have to 'balance' the system by cutting down the flow to all the other rads. This is done by closing down the outlet valve slightly on the other rads. Good Luck
Hot water and steam heat is usually set up with Zones, so heat can be regulated in different areas of the home, think of it as Circuits, the Circuit to that Radiator is propably off, by design or by a falty Solenoind Valve, such vales have an overide, you can pin it open. but First you must find the Supply line to that Radiator, -then make sure that valve is open.
something wrong with ur radiator.
Seems to me you have a plumbing problem, it may be blocked. You can cap it off, take it off the wall and flush it through. If this doesn't work, call a plumber or heating engineer.
sounds like you have an air lock stopping the water from getting ti the radiator
it sounds like its clogged up with sludge. it needs flushing out using a sludge remover available from any decent plumbers merchants. that will solve the problem. if you are loaded then just replace it with a new one.
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