105A-405A and 206A-406A Bypass Valve Kit pool-dimensions_12x12 The E-Z Patch formula is

The E-Z Patch formula is stronger than the original pool plaster or replaster materials

A 5/8 inch locking Hinge Pin is recommended for installation (not included)

This is a replacement Hayward Retainer Rod for Pro-Grid DE3620 and MicroClear DE3600 Vertical Grid DE Pool Filters

The LaMotte 4335-H Free Chlorine/Bromine/Alkalinity/pH Combination 3-Test Spin Disk tests for these four elements and can test up to 3 times on the disk

105A-405A and 206A-406A Bypass Valve Kit pool-dimensions_12x12 The E-Z Patch formula isThis is a replacement Raypak Bypass Valve Kit with Spring for Metal Heat Exchanger. Fits Raypak Models: 206A, 266A, 336A, and 406A Versa Atmospheric Pool Heaters. Also fits models 105A and 405A pool heaters.