The 1-1/2" / 1-1/4" Kerick Replacement Float Valve Piston - PT150S with Viton Cap, Seal, and Cotter Pin (9501072) ensures reliable performance and a secure fit for Kerick float valve systems. Designed for durability, it offers superior chemical and heat resistance. The 1.5" / 1.25" Kerick Replacement Float Valve Piston is made for the following models: PS125SS PS150SS