Restore tank flow and eliminate odours with this reverse-flush maintenance valve. Connect it to a freshwater line and pump pressurized water backward through your entire sewer system to break up blockages in tanks, pipes, and drain hoses. An internal backflow preventer keeps contamination from flowing the wrong direction, and a removable anti-siphon valve adds extra safety. Essential equipment for deep annual tank maintenance.

• Reverse-flush valve with internal backflow preventer
• Removable anti-siphon valve
• Clears clogs in tanks, pipes, valves, and hoses
• Valve assembly included