Wavin BV1B/UB HepvO Sanitary Exhaust Gas Valve -1-1/2“ black-water A foil-faced insulator that keeps

A foil-faced insulator that keeps hot air out in summer and cold air out in winter at the roof vent

Rotary hexagonal water jets for thorough cleaning

The lighter aluminum construction reduces unsprung mass compared to steel

so filtered and unfiltered water never mix

Wavin BV1B/UB HepvO Sanitary Exhaust Gas Valve -1-1/2“ black-water A foil-faced insulator that keepsWavin HepvO BV1B UB self sealing sanitary waste valve replaces a conventional P trap in RV and camper plumbing. The waterless membrane seals against sewer gas and odors while still draining freely, and its compact inline body fits tight under sink and under floor runs where a water trap will not. Features Self sealing membrane blocks waste gas and odors without a standing water trap Compact inline design saves space in tight plumbing runs Resists