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Radiant pex fittings - poly or brass?

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crobar
crobar Member Posts: 4
in Radiant Heating
I am running some pex piping to a couple of hot water radiators. I can't find any info on the temp. limit for the poly fittings - are they OK to use on the heating system piping or only for potable systems? Thanks.

Comments

  • Zman
    Zman Member Posts: 7,611
    What fitting brand?
    The uphoner fittings are ok for heat. I am not sure about all brands.
    "If you can't explain it simply, you don't understand it well enough"
    Albert Einstein
    SWEI
  • bmwpowere36m3
    bmwpowere36m3 Member Posts: 512
    I wouldn't even use poly fitting for domestic.... unless its Uponor (cold-expansion joints).
  • Bob Bona_4
    Bob Bona_4 Member Posts: 2,080
    I've had 0 issues with Uponor or Viega EP fittings for heat.

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