Re: T&P in lieu of tank - Sylvan you missed the mark on this one
Posted by Vince on April 09, 2004 at 23:27:39:
In response to Re: T&P in lieu of tank - Sylvan you missed the mark on this one
Just for a point of interest. A T&P valve is not (IS NOT) a means to control thermal expansion.

IPC (2003) sec.504.4.1 I could write it out, but why, we know it...

Please remember, code is a minimum installation for safety. The fact that code does not require an expansion tank does not mean that physics works differently. Water still expands.
I would not even consider a water heater on a closed system without thermal expansion in mind. I have insurance, but it doesn't bring back the dead.



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