Perma Cast 1-1/2" MPT Brass Hydrostatic Relief Valve (PV-15) astral Its gray finish makes it

Its gray finish makes it especially appealing in spas with cooler shell tones or coordinated gray accents

This type of part is especially useful when the surrounding plumbing remains serviceable and the need is centered on the valve itself

The Hayward replacement filter cartridge is designed for compatible C100S filter applications where the internal cartridge element needs replacement

or no longer operating as intended

Perma Cast 1-1/2" MPT Brass Hydrostatic Relief Valve (PV-15) astral Its gray finish makes itA hydrostatic relief valve helps protect a compatible structure by relieving pressure under the intended conditions, and this Perma Cast version features a 1 1 2 inch MPT brass construction using the PV 15 reference. Hydrostatic relief valves are useful because underground or surrounding pressure conditions can create serious stress if they are not properly managed. This valve has practical value because the brass construction and threaded 1 1 2 inch