The Thetford toilet that came in our RV was a problem for us from the start. To us, it had a weird shape and was uncomfortable to sit on. DW’s back and knee issues demanded a change.
We preferred the elongated bowl type, like found in a residence.
I ended up purchasing a Dometic 320 series low profile toilet.
https://www.amazon.com/Dometic-Profi...ay&sr=8-2&th=1
I had to go with the low profile because the existing toilet sits on a platform.
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