Water tank drain valves
Gulfstream BT Cruiser (5270B) Three drain valves in front of the fresh water tank. I assume when aligned with the lines they are on and perpendicular to the lines is off. Previous owners directions are to open these valves to drain the tank through the drops at the valves to the ground beneath using gravity only. Does not work. Only way I have been able to drain the tank is through the hot water tank with the anode rod removed. I assume I'm missing something. Anybody have any thoughts. Thanks
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