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AndyKent
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posted on 17th Oct 14 at 17:51 |
Make sure there is at least some pressure in the system, bleed them all, top up the boiler to just over 1 bar cold.
Keep an eye on it next time it warms up.
Repeat if necessary. If you keep getting air in the system youve got a problem. If pressure keeps dropping you've got a problem. Otherwise, leave it to its own accord.
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John
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posted on 16th Oct 14 at 20:14 |
I think there's a way to bleed the boiler but don't know enough about that. Radiators are just the old fashioned way AFAIK.
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Doug
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posted on 16th Oct 14 at 20:08 |
Is there an automated way of bleeding the system then? The fitting manual seems to make mention of an automated process but I am not certain thats applicable for now.
I don't fully trust some of the tradesmen, so it wouldn't surprise me if it needs a proper bleeding.
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John
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posted on 16th Oct 14 at 20:06 |
I don't normally bother having the heating on before doing it. There will be a filling loop, possibly disconnected.
New build house isn't a reason for them having air in them, should be the opposite, should have been bled properly to begin with. Is there possibly a leak somewhere?
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Doug
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posted on 16th Oct 14 at 20:04 |
Right, this is being a man 101 but it's not something I have ever bothered with before.
New build house so all radiators seem to have air in them.
The combi boiler is a Baxi DuoTech 2 Combi and the radiators seem to have a flat head screwdriver type slot on the top right, so I assume that is where I bleed from?
Now my understanding of the process is this:
Turn on heating and leave on for 30 minutes to get all radiators warm
Turn off system
Starting on the top floor, go to each radiator and twist the bleed valve 1/2 turn until water starts coming out. Seal.
After each radiator has been bled go and look at the pressure gauge on the boiler and make sure it is on 1.5 Bar (is that correct?) (Which valve will I turn to add more water pressure to the system?)
Repeat process until all radiators have been bled finishing with the radiator closest to the boiler
Step back and feel proud I have done something 'blokey' :cool:
Is that correct? Please let me know if I should do it in a different order before I blow up my heating system :lol:
[Edited on 16-10-2014 by Doug]
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