We may have found other answers which could help you.
Click here for Cable Pump Out
New Thetford cassette lipseal still leaking?
how to fix thetford c260 toilet?
tofit a pump to my thetford cassette toilet?
Thetford C200CWE red light stays on?
C2 thetford toilet pump tripping 12v switch ?
how do I get the cable to the pump out?