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Author:
jayperl (NY)
Two Zone Hydronic system. Zone 2 (2nd floor) not getting hot. Bled the system. Pressure is 20psi hot. Temp 190F. 1st floor no problem. Taco 007 shows .8A just like zone 1. Pumps are on return. Pipe after check valve for zone 2 is hot, return is cold. Any idea?
Anyway to show a pic here?
Josh
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Author:
packy (MA)
[www.plbg.com]
the problem could be the circulator or it could be air..
post a picture...
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Author:
Paul48 (CT)
Baseboard type emitters can be near impossible to purge air from by just opening a bleeder on the baseboard. With any type of emitter, it's best to set the system up with valves so you can create flow in one direction.
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Author:
jayperl (NY)
I was bleeding it from the return line of that zone near the boiler.
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Author:
Paul48 (CT)
Ok.....as long as you were able to close a valve and create flow in one direction. What is the pressure of the system?
Edited 1 times.
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Author:
packy (MA)
as paul says, create a flow in one direction..
so, shut off a valve below the hose valve you are bleeding with. then open the hose valve.
what you have to do is put the end of the hose into a bucket and look for air bubbles. if there are bubbles coming out, you need to keep running until the water runs clear with no bubbles.
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