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The Hepvo 5717 Hygienic Self Sealing Waste Valve prevents the escape of foul grey water odors from your RV waste tank. No siphonage, no noise and no smells! The unique dry sealing valve prevents the escape of those odors and eliminates the need for check vents. Reduces pipe length, allows multiple branch connections and increases flexibility in location of fixtures It replaces the traditional water-seal trap Works in kitchen, bathroom, showers and sinks in RV's homes & boats Prevents the escape of foul sewer air from waste tanks Unlike conventional waste traps, HEPVO does not rely on trapped water to create a seal HEPVO uses a self sealing membrane which performs the same function as a water seal trap No risk of depletion or freezing Actively eliminates negative pressure within the waste system No secondary venting of the waste system is required HEPVO valve can be installed vertically or horizontally (with an adapter) Great for RV's in storage for weeks or months No need to winterize HEPVO with antifreeze Will not hear flow, bubbles, groans and other noises from your pipes Pipe Size: 1 1/2" Weight: 0.32 Lbs Includes: 1-1/2" waterless trap, valve and adapter kit Limited 90-Day warranty Hepvo Hygienic Self Sealing Waste Valve - 1 1/2"

HEPVO 5717 Hygienic Self Sealing Waste Valve - 1 1/2inch - B07C9DN13J