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flush valve seal in Thetford AM II

HappyKayakers
Explorer
Explorer
My RV was purchased new in 2017. The bowl held water well for a few years, then started leaking down past the ball valve. So far I've replaced the seal twice (with liberal amounts of plumbers grease), ball valve once and drive arm once. I cleaned all areas as best I could whenever it was apart. From what I've read, it's a real pain to change the spring if you can find one. I'd rather not buy a new toilet. Has anyone tried putting butyl tape inside the seal or on either side of the seal to fix the problem?
Joe, Mary and Dakota, the wacko cat
Fulltiming since 2006
2006 Dodge 3500 QC CTD SRW Jacobs Exhaust brake
2017 Open Range 3X388RKS, side porch
3 REPLIES 3

blofgren
Explorer
Explorer
2oldman wrote:
Buy a new toilet


OP, I have the same toilet as yours and I have never had so much trouble with an RV toilet in all of my previous units combined. I will be following oldman's advice the next time it acts up.
2013 Ram 3500 Megacab DRW Laramie 4x4, 6.7L Cummins, G56, 3.73, Maximum Steel, black lthr, B&W RVK3670 hitch, Retrax, Linex, and a bunch of options incl. cargo camera
2008 Corsair Excella Platinum 34.5 CKTS fifth wheel with winter package & disc brakes

lancewgurel
Explorer
Explorer
Buy a new toilet

2oldman
Explorer II
Explorer II
Buy a new toilet
"If I'm wearing long pants, I'm too far north" - 2oldman