[Greenbuilding] tankless and radiant floor heat

Tue Feb 8 06:59:41 CST 2011

Standard PEX is rated at 180F @ 100 psi.
While I think 156 F is pretty crazy high, it is not too hot for PEX.

On 2011-02-07, at 10:41 PM, Clarke Olsen wrote:

> 156*f is too hot for PEX! The problem is not with the temperature, it's with the circulators. Or, with air in the system.
> Clarke Olsen

John Straube
www.BuildingScience.com

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