This may seem like a silly question, but I can't find any reference in my Thetford manual or on their website and this will be the first time we are preparing the RV for an extended storage period. We live in the desert where winters are warm. Is it best to leave water in the bowl while in storage or should we dry it out and lube the seal?
2012 Winnebago Sightseer
...and a dog named Belle
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If your seal hold water, lube and add a little RV Antifreeze. The RV Antifreeze evapaparates much slower than water and will keep the gases from excapeing. Also but the antifreeze in all the traps and drains.
04 Horizon QD, 12 Ford Flex, Excalibar, Brake-Pro, ,, Winter Texan, RVin! since 1974
Norm, Donna & Tinker Kat 74 MGB-GT, 75 MGB, 01 Z3
Life is a Timed Event, you only get One Go Around!
I think it's good to lube it but fill the tub, 5 gal bucket, kitchen sink or something. RV' s don't like to get dried out. Vaseline would work well for the seal. Seal up all other drains as the P- traps will evaporate and let tank smell into coach . I live near the So Cal deserts but my coach stores here at home .