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Blazemaster CPVC pipe and fittings

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BillyO
BillyO Member Posts: 277
in THE MAIN WALL
I went to a job yesterday and contractor used Blazemaster pipe and fittings on the snowmelt side of heat exchanger from boiler room to outside manifold. He said he has been doing it that way for approximately 7 years. Any thoughts on this?

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  • Zman
    Zman Member Posts: 7,569
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    This came up back in 2014.
    https://forum.heatinghelp.com/discussion/150482/cpvc-in-hydronic-heating-system
    O2 ingress is the issue.
    "If you can't explain it simply, you don't understand it well enough"
    Albert Einstein
  • kcopp
    kcopp Member Posts: 4,432
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    I also thought there was an issue using glycol in CPVC piping....
  • hot_rod
    hot_rod Member Posts: 22,158
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    You need to use glycerin as an antifreeze in PVC. It should be available wherever they supply Blazemaster.
    It would be wise to use all non ferrous on the PVC side of the HX, as Carl mentioned.
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream

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