Rainbow R172288 1.5"/2.0" In Line Corrosion Resistant Check Valve Gecko AquaFlo 91431000 1

Gecko AquaFlo 91431000 1

That valve uses a stainless steel clamp to attach to the filter

Heater control vacuum switch (vacuum activated models)

and leaking is prevented with a gasket between the two parts

Balboa 30039 Copper Heater Jumper Strap

Rainbow R172288 1.5"/2.0" In Line Corrosion Resistant Check Valve Gecko AquaFlo 91431000 1Rainbow 1. 5" 2. 0" Corrosion Resistant Check Valve. The Rainbow R172288 in line corrosion resistant check valve is very effective when used in conjunction with low pH chlorinators preventing back flow problems and damage. Features: Special corrosion resistant 1 1 2" & 2" slip spring check valve can be used to check back flow of fluids, air, etc. 2 pound spring. Full free flow design Special Spring and Seal for corrosive applications. Enclosed spring