Does Grey Water Tank Need Emptying During Fresh Water Sanitizing?
Hello. I am new to this forum and first time owner of 2018 Thor 22FE Class C motorcoach with 40 gal fresh water tank. Question: During fresh water sanitization, does my 20+ gal grey water holding tank fill during the process requiring multiple dumpings of its content? Or is all draining of the water during sanitizing evacuate via the fresh water tank drain, hot water tank drain, and low point drains? Sorry for this newbie level question. Thanks for your assistance as members of this great forum.
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