2007-02-06 08:12:40 · 12 answers · asked by Katie N 1 in Home & Garden ➔ Maintenance & Repairs
This could be either an air lock or just air in the rads or indeed your circulating pump could be on it's way out.
are those rads fitted with TRV's if so remove the heads and check that the little pin pops back up these sometimes get stuck in the shut position give them a knock and that may be your only problem
have you had any work done on the system lately?
turn the system and pump off before you do any of this if you have a sealed system or combi boiler you will need to fill the system at the same time as you vent the air out if your system is fed from a cistern (tank) in the loft then you can just bleed the air out if this isn't working then attach a garden hose on your kitchen tap (mains water) attach the other end to a drain valve near the cold rads and back fill using mains water this will force the air through to the cistern, but be careful i suggest a jubilee clip and a bowl underneath.
on your pump there will be a large screw if you undo this you will be able to physically see whether the pump is running or not, realistically i would propose you call in a heating engineer to tackle that job if not all the others as well.
2007-02-06 09:30:02 · answer #1 · answered by Darren H 2 · 0⤊ 0⤋
Could just be air in the radiators. You need to use a radiator key to "bleed" the air out. At the top of the rad on one side there is a valve where the key goes in. just turn it until you can hear the air coming out. Stop when you get water. Close valve again. Easy Peasy! If you havent got a rad key they are very very cheap from ur local plumbers merchants or B&Q. If it's not that then it could be that the pump isn't turned up high enough. Go into the loft. next to ur water tank u will see the pump (usually red or green & round). On there there is a little gauge with a pointer on. numbers range from 1-3. 3 is the highest. if gauge is lower just flick it up higher.
However, if this a recent prob then it is most likely the radiators. Give them a go first.
2007-02-06 08:36:14 · answer #2 · answered by VodkaChick 4 · 0⤊ 0⤋
You didn't mention if you have a combi boiler or a free standing. If you have a combi boiler, I suggest you check the water pressure on the boiler which should be between one and one and a half bar. If that is in order, Then check to see if the boiler pump is working. If that is okay, then switch off the boiler, wait 10 mins. then vent air from the rads not working. Switch back on and see if it is better now.
2007-02-06 08:42:02 · answer #3 · answered by Anonymous · 1⤊ 0⤋
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2016-09-28 12:30:21 · answer #4 · answered by ? 4 · 0⤊ 0⤋
You have what is known as an air lock. Air got into the system and it is blocking the flow. The answer is to "bleed" (drain ) the system until the hot water starts flowing again. A small tap is situated on the outlet side of each radiator for this purpose.
2007-02-06 08:20:18 · answer #5 · answered by Tamart 6 · 2⤊ 0⤋
Try bleeding the radiators in those rooms, you could have some air in them. Be careful and cover with a towel as once the air is released water will seep from the valve until you do it back up. So do it gently.
2007-02-06 08:16:54 · answer #6 · answered by Manchoi 2 · 0⤊ 0⤋
it could be the radiators need bleeding or the boiler isnt big enough. i have the same problem with mine. i have bled them many a time so its either the boiler or the pump or a kink in the pipe somewhere
2007-02-06 08:26:36 · answer #7 · answered by ross552005 2 · 1⤊ 0⤋
have you tried bleeding the radiators with a radiator key? when you do that loads of water will come out, as your doing it keep touching the rad checking if the heat is coming back, hope this helps!
2007-02-06 08:29:23 · answer #8 · answered by Anonymous · 0⤊ 0⤋
You havent said whether or not you have radiators.
If so, they could need bleeding, OR maybe there isnt enough water in the system to go round the radiators.
2007-02-06 08:16:36 · answer #9 · answered by Anonymous · 1⤊ 0⤋
Heya, thought about "bleeding" the radiators?, could be an airlock not letting the heat thru.
2007-02-06 08:16:41 · answer #10 · answered by Anonymous · 0⤊ 0⤋