Forespar Marelon Vented Loop/Siphon Valve

Trust the Forespar Marelon Vented Loop Siphon Valve to bring you a dependable product when you need it. Built to prevent fluid transfers between locations, the piece is quickly installed into the existing system. The siphon bathroom valve is durably constructed to provide you with a part which will work readily under steady use situations. Reinforced with state-of-the-art materials, the design is constructed to withstand corrosion even with extended use. The vented siphon plumbing valve allows an exchange of air to keep things draining as they should while preventing back wash after each use.

• Will ensure that fluids will not siphon from tank to tank
• Commonly used in marine toilet and engine cooling systems
• The siphon bathroom valve system incorporated in the top of the loop allows air to enter the line when not in use, yet seals as water or other fluid passes through
• Molded in glass-reinforced Marelon, so neither vent nor loop will corrode
• The duckbill one-way valve is designed to seal properly if particulate matter is present in fluids
• Hose: 3/4" barb
• Model: MF842
• Size: 3-3/4" W x 4-1/2" H