08:40AM | 10/10/00
Member Since: 10/09/00
1 lifetime posts
I have a hot water heating system in my home. Last year, when we turned it on, it made a lot of noise through the pipes, kind of a loud gurgling sound. I suspect that there may be air pockets in the system.

Can anyone walk be through the process and address.

(1) Dooes this symptom seem to be one that would be solved by bleeding the system.

(2) Where the opening is, that needs to be bled (is it in the furnace room, or elsewhere?)

(3) How do I go about bleeding the system properly

(4) Is this easy to do?

(5) are there any webistes which have a step-by-step procedure?

I assume that the heat needs to be turned OFF, before starting


03:45PM | 10/10/00
Member Since: 09/01/00
312 lifetime posts
This is actually kind of fun every raking leaves! Air in the system can be bled by opening a bleed valve on the upper most radiator or if you have airlocks you can bleed each one.Not knowing your particular radiator, look for a small pipe coming up from the heat pipe in the radiator which has either a screwdriver type slot or something that looks like a tire air nozzle.I think you can do this in a hot or cold system but I always do mine hot just after the circulator stops.Have a sauce pan ready as you open the valve slowly.You will hear air or catch water.If you have the time,I would bleed each radiator or you might be chasing air around for a while.


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