Just bought first 5th wheel...2002 Keystone Montana. Had the intro briefing from service tech, but can't remember everything. On the monitoring panel, there is a switch for heater and pump. I understa...
You only need the pump when using water from your tank . If hooked up to city water you have no need for the pump , water pressure comes from the city water . I also don't see why you would need to use water from your tank when dumping . There is normally a water hose at the dump station