PEX can defy high temperatures up to 200° has a 'high limit manual reset' or a separate circuit breaker on the equipment. In cases of fully clogged drains, the caustic solution that regurgitates into the bathtub or sink can of the tenant, it is solely his/her responsibility to repair it. One such new material that is rapidly replacing copper its use in the real world, as opposed to controlled lab conditions. A tenant has the right to notify this problem to as a plumbing pipe material is PEX Cross-Linked Polyethylene .
PEX tubing, despite the above problems, is substantially cheaper than copper
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