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Poly "B" and Glycol

Mike Lampkin_2
Member Posts: 124
I am presently looking at a radiant system that has poly "B" installed in a concrete basement floor. The customer would like to use glycol in the system and since this is a remote cottage, I wanted to find out if it would be safe to use a 40% glycol mixture with the poly "B" ? ( This is the first time that I have seen poly "B" used in a radiant floor and I wanted to make sure that ther would be no adverse consequences). Thank you for your help.
0
Comments
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Prob. be ok...
I have 1 system out there that has been glycolled for years. As a rule I do not like gycol. This one has a flat plate HX on it. Most all poly butyelene has no O2 barrier.... some did. There was never an issue w/ the pipe it was the fittings and aluminum crimp rings.0 -
Thanks
Thanks for your help. I am little nervous about taking on a radiant job that doesn't use pex, but I will also write in a clause into the contract excluding responsibility for the Poly "B".0
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