Thetford 92901 Piston Pump Assembly for Porta Potti 320 & 550 - Efficient Replacement Part for Enhanced Performance Review

The piston assembly porta was exactly what I needed for my RV plumbing system. As my tests showed, it handled high pressure and remained leak-free. I'm glad I found this part on RV Parts & Accessories, as it saved me from a roadside plumbing crisis. The quality is top-notch and I can't wait to see what else I can find for my RV on this site.

This pump will not work with the Porta Potti Curve 550e. It is now pumping water but if you look at the attached photo you can see that due to the height of the pump you cannot lower the lid or raise and lower the seat.

I updated this review but it failed? You can tinker with it, but these are the smallest and most important points. If you're buying to replace your curved electric pump, it shouldn't be curved, at least not on curved models like the 550E and 565E. However, you can play around with it enough to get it there. But you have to make compromises. First, it's too short! To lengthen the inlet end, we'll tighten 3 to 4 inch rubber bike tubing. Then we put in a plastic cap that fitted the end of the…