When I hook my 5th wheel up to water supply the water backs up into the fresh water holding tank until it overflows. Anyone know the cause or fix? Is there a check valve in the 12volt water pump that has failed?
When I hook my 5th wheel up to water supply the water backs up into the fresh water holding tank until it overflows. Anyone know the cause or fix? Is there a check valve in the 12volt water pump that has failed?
