Codeman:
Is flexible corrugated copper supply line ( see: ) an approved piping material under IRC P2905.4? If so, why can it not be used for residential water heater TPR drain line tubing?
Thanks,
Aaron
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aaronm wrote:Is flexible corrugated copper supply line an approved piping material under IRC P2905.4?
If so, why can it not be used for residential water heater TPR drain line tubing?
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