AC Condensate to TPR Extension

[inspectorwill]

Is there any prohibition against plumbing the A/C condensate to a TPR extension? See photo.

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[Richard Moore]

It's wrong. If you are using the IRC for plumbing, the code you want is P2803.6.1.4

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[Jim Katen]

It depends on what code you ask.

The IRC says that the TPR relief pipe shall serve a single relief device and shall not connect to piping serving any other relief device or equipment.

The UPC doesn't have any similar restricition.

[Erby]

And then there is the "common sense" code!

[inspectorwill]

Thanks and wish we had a common sense building code. Kind of a contradiction of terms.

[ericwlewis]

And then there is the "common sense" code!

My thought was similar.

[edwardh1]

I worked in a Chemical distillation plant once, it was a new design, and all the very high pressure relief valves were tied into the very low pressure relief valves on some control system, with predictable results when the high pressure side lifted once.