![Rainbow R172288 1.5"/2.0" In Line Corrosion Resistant Check Valve](http://belowcostproducts.com/cdn/shop/products/r172288_{width}x.jpg?v=1618949057)
Rainbow R172288 1.5"/2.0" In Line Corrosion Resistant Check Valve
Rainbow 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 insuring free operation.
- Very effective when used in conjunction with chlorinator to check back flow of chemicals to pool/spa equipment, preventing corrosion problems and damage.