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HTP mystery item

tim smith
tim smith Member Posts: 2,752
I never new they made one although or branded one.


  • Ted_9
    Ted_9 Member Posts: 1,718
    What is it??

    This photo was sent to me. I'm planning on repiping it prim/sec. What is the black thing coming off of the boiler supply? I zoomed in and I think the tag says HTP.

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  • Steve Ebels_3
    Steve Ebels_3 Member Posts: 1,291
    It is indeed an air vent

    HTP included them with the Munchkins for a while IIRC. I have a couple laying around the shop as I usually used a Spirovent or equivalent on our installs.

    A re-pipe is a good thing for that boiler! Definitely not correct per factory recommendations. The circs need to be flowing toward the boiler and away from your PONPC.
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