Just went through a big long mess repairing my cracked toilet flange and reinforcing the floor that got damaged when I put a standard Thetford seal back in it. The seal that came from the factory was twice as thick as anything I could find for an RV toilet.
It didn't dawn on me that there was a thickness issue until it leaked and I dug the old one out of the trash to compare them. I've had to install a silicone "stackable" gasket from Home Depot onto the flange and then the Thetford gasket on the toilet. Together they seal it off.
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2018 Montana High Country 331RL,
2011 Dodge Ram 3500 dually, Firestone air bags, Anderson Ultimate Hitch
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