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Do I Have An Air Eliminator?

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MCheatsNow
MCheatsNow Member Posts: 1
Hi there, seems that I have 2 pipes coming out of the supply side, but is one really an air eliminator? I haven't seen it done like that on others' systems. The top piece sure seems like one. I just had to bleed my system to deal with some recent noise. Thoughts?

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  • HVACNUT
    HVACNUT Member Posts: 5,841
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    That boiler has an internal air scoop and specifies an air eliminator in the spot shown. So its correct. 
    It might be faulty though. 
    It looks like the existing is 1/8th. You could exchange the bell reducer to a 3/4 coupling and install a 3/4 Hy- vent.