Replace waterheater drain plug ?
This one looks kinda chewed up,, I checked the hardware and they don’t have a plastic one Ebay ?? Are they all the same thread ?? Would you put a little silicone grease or plumbers grease on it when...
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Schedule 40 CPVC 1/2" plugs are rated for a 200℉ max at 118 PSI, so I wouldn't be too concerned about one failing at a 210° T&P relief valve rating at the typical 40-50 PSI used in our RV's. I've used them for years when nylon plugs were not readily available without a single failure that I'm aware of.
