Allows air to enter the solar pool heating system when the pool pump is turned off and facilitate water drainage from the panels. This is especially important when winterizing your panels to prevent freeze damage. Designed to be installed on the solar feed plumbing line. Valve is 3/4" male pipe thread (MPT) attachment type.

Includes

• (1) Vacuum Relief Valve, 3/4" MPT
• (1) Reducer Bushing, Spigot X FPT, 2" X 0.75"
• (1) PVC Pipe Fitting, Tee, Slip X Slip X Slip, White, 2"