Air bound baseboard Radiators

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Brian Kerr

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Recently I had to do some emergency type plumbing to install a new indirect water heater as the old had started leaking. I already had the now one on hand as I suspected that it was only a matter of time... I was just waiting for warmer weather before taking down my heating system.

Long story short I managed to get the water heater in and it works great. no issues there, but in the process I got air into the heating zones and a couple spots get no heat. One of those is my office in a loft above the second floor.

I do not have any bleeder valves on any of my baseboards, and I do not have any drains on the return piping.

not sure how I can get the air out of the system. I included a couple of pictures, maybe someone can point me in the right direction.

kerr-01.jpg



kerr-02.jpg
 
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Plumber69

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Looks like there is a shut off furthermore up from expansion tank. You could easily stick a boiler drain and shut off before expansion tank. Then you could flush each zone
 
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