I have a 2018 Coachman Catalina Legacy that has a black tank flush. I have hooked a hose up (not white water hose)to the inlet and turned the water on. I can't hear it running. I went into the bathroom and opened the toilet lid ( kept black tank rele...
No moderator pump. No water comes out when I turn the water on for the black tank flush. On my gage panel inside the camper has a button for pump, but font know what that means.
