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15 answers

I had something like this, you first need to find out what kind of system you have, unbeknown to me when we moved into our current place we had a pressurised system that didn't have a water tank that supplies the system, we have to manually top up the water level and keep an eye on the gauge. I figured it out eventually becuase the when i tried to bleed the radiators nothing came out until i upped the pressure manually, then bled the radiators, the pressurised and bled - 4 times before the system was working correctly.

So, if you have a header tank in your loft for the central heating system, make sure the ballcock isn't damaged and the tank has plenty of water in it, if tis a pressurised system, check that its at least 1 bar when cold, if not top it up - there will be a small valve with a blue handle near your boiler, then bleed your radiators etc. like i did.

Hope that solves it - the weathers getting colder!

2006-11-02 05:42:27 · answer #1 · answered by thecoldvoiceofreason 6 · 0 0

If you have checked all the other stuff mentioned in your answers to no avail try this... Cant believe no one has mentioned it, it sounds like you have an airlock. Run your heating only not hot water and every radiator that gets very hot turn off one by one. This will direct all the heat and pressure to your radiator that isn't working. Once this rad is hot turn the rest back on one by one. Its a very basic form of balancing the system.

2006-11-02 15:36:58 · answer #2 · answered by Sarah 1 · 0 0

It could be that the radiators are not balanced. This is easy to do, each radiator has two valves, one you can turn by hand and the other which needs a spanner once the cover has been removed. Search for "radiator balancing" on the web.

2006-11-03 16:52:49 · answer #3 · answered by antony r 1 · 0 0

Using a 2p coin unscrew the brass screw on the end of the pump.
Insert an electrical screwdriver and give it a quick flip either way ,should start as it has been sitting all summer.
Try several times , if no success buy a new pump., or mail me.on nonexknackie235@onlineni.net my other mailbox is "down"

2006-11-02 13:54:21 · answer #4 · answered by xenon 6 · 0 0

well if they are hot upstairs than the water is circulating, try bleeding again, turn up the the temp so the pump comes on, and bleed, but let a lot of water and air out, you may have to bleed them 2 or 3 times.

2006-11-02 13:32:47 · answer #5 · answered by Skuya!!! 4 · 0 0

Poss solution turn stat to off to stop heating pump running , next bleed radiatiors from bottom of house to last rad at the highest point, turn stat up to bring pump on and see if that cures problem if not call professional

2006-11-02 15:51:42 · answer #6 · answered by TERRY H 4 · 0 0

Are the valves on the downstairs radiator open? You don't say what type of heating system you have. There may be more than one reason

2006-11-02 13:31:10 · answer #7 · answered by Wattsie 3 · 0 0

look for more water cut off valves in line to the downstairs radiators. I have no other ideas though. Sorry.

2006-11-02 13:31:58 · answer #8 · answered by MattMan 3 · 0 0

Your pump might be not working the rads upstairs are working by thermosyphon ie hot water rises

2006-11-02 13:34:19 · answer #9 · answered by rocky 3 · 1 0

well in my old house the pipes were different sizes stopping the full flow of water.Might be that or a faulty pump.Mybe you need new radiators.Ask a plumber for advice

2006-11-02 13:38:03 · answer #10 · answered by Anonymous · 0 0

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