Perma Cast 1-1/2" MPT Brass Hydrostatic Relief Valve (PV-15) astral This version is especially useful

This version is especially useful when the original setup depends on the PH101-10UV configuration and the supported vacuum-related style

That keeps the repair focused on a core operating interface

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

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

Replacing the correct barrel helps preserve that more active hydrotherapy feel without forcing a larger assembly replacement than necessary

Perma Cast 1-1/2" MPT Brass Hydrostatic Relief Valve (PV-15) astral This version is especially usefulA 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