I'm sure they are rated for hot water. I bought them at Camping World in Tallahassee and asked for hot water heater drain plugs. They sold me a 2 pack and I also bought a hot water heater drain kit that had a wrench and plug. I wrote the first one off to it being a new RV and maybe it had sat around or something and deteriorated, but now I'm on the 3rd plug and getting a bit concerned. I'll have it back in TX next week and guess I'll have the dealership look it over but I don't have much faith in that.
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