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**flybouy** · 03-02-2021, 06:43 AM

If the city water is flowing into the freshwater tank it could be the check valve on the pump or if you have one supply hose fitting and a valve to choose between city water and filling the tank it could be that selector valve leaking.

03-02-2021, 06:43 AM	#2
flybouy Site Team Join Date: Oct 2011 Location: Joppa, MD Posts: 11,752	If the city water is flowing into the freshwater tank it could be the check valve on the pump or if you have one supply hose fitting and a valve to choose between city water and filling the tank it could be that selector valve leaking. __________________ Marshall 2012 Laredo 303 TG 2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel