Never had a issue with the Atwoods in 3 trailers. I did put a petcock in place of the plastic plug to make life easier. The most problem I ever had with the Atwoods was spiders in the gas tube preventing it from firing on Lp
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2016 Flagstaff 27VRL Emerald
14K Equalizer
2020 Silverado 2500HD CC 4X4 6.6L gas 3.73
My old trailer had an Atwood water heater no anode used the water heater all the while, the trailer was a 96. Never plugged up still worked when sold last year, next year that would be 20 yrs old.