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.