HepvO is a unique self-sealing waste valve that prevents the escape of foul sewer air from waste discharge systems, and actively maintains the pressure equilibrium in soil and waste installations.

HepVo is designed for tight or confined spaces where a convential trap will not fit
HepVo is designed for tight or confined spaces where a convential trap will not fit or in Boats, Caravans or Recreational Vehicles where you don’t want uncontained water moving in a moving vehicle.

As a dry sealing valve, HepvO utilizes a purpose designed membrane to create an airtight seal between the living space and the drainage system. The self-sealing valve opens under the water pressure of a fixture emptying, and closes to form a tight seal after the fixture has discharged under normal atmospheric conditions.

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