Vacuum Relief Valve

Protects holding tank from excessive suction from dockside pumps

Easy assembly - special sealing ring provided requires no sealant or spinweld fittings.

Vacuum Relief Valve Mounting Instructions

1.   Drill 2-1/2” dia. hole on top of tank (use hole saw).

2.   Press uniseal into hole.

3.   Apply thin layer of liquid soap on valve PVC Pipe.

4.   Press valve into uniseal.