We have installed the pump in a Dethleffs Globetrotter motor home from the 90s in a C2 Thetford toilet. It is exactly the same pump as it is also offered with "original Thetford imprint" here on Amazon, but at 35 euros less. The outer dimensions and performance specifications of both submersible pumps are identical! The installation was not really difficult! Switch off the power - cord from old pump with side cutter nip off> (the cables even have the same colors as the orig pump.!)> Heat shrink tubing over the cut line pull> new pump with crimp fasten the cables layering> Shrink tubing and warm up with lighter> lid and you're done! Another little tip! Submersible pumps have rubber mounts. If the WOMO or WW is winterized (all the water out) in all pumps with MoS Spray pure spray fixed, so the seals do not dry out over the winter - I'll do it for years ..