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Old 10-01-2011, 11:35 PM   #1
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air purging from the basement


I have a Home Run system with a Triangle Tube boiler, Indirect water heater. I have 3 zones (2 floors and the basement; basement is not yet connected)
The problem is that it looks like that I need to add something to my system in order I could purge the system from the air from my basement without going to each radiator/baseboard on the floor.
I will appreciate if anybody can take a look at the pictures attached

and advise me on what should I add and exactly at what place inthe system in order to do a purging

Thank you
Attached Thumbnails
air purging from the basement-manifold-station_edited1.jpg   air purging from the basement-indirect-water-heater-edited1.jpg  


Last edited by Vkazman; 10-02-2011 at 09:58 AM.
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Old 10-02-2011, 04:33 AM   #2
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A drain cock similar to what you already have in the loop piping o the left of the second pic.

Should have used a loop circulator instead of that pressure differential valve. Does the boiler have a circulator on it.


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Old 10-02-2011, 10:23 AM   #3
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Thank you for reply.

Can you please specify where exactly I should have that extra drain cock? At the moment I have two purging valves in my system. One that you already mentioned on the second picture on the return pipe from the Indirect. The other one is on the first picture in the main loop on the left (Return side of the loop). This one probably can be used for purging the air. I probably need something else for purging.
Answering you other question. This boiler has a built in circulator.

Thank you,
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