Generic Sta-Rite Posi-Flo Upper Tank Body O-Ring (O-443) filters and RP2100 heater applications where

and RP2100 heater applications where the supported temperature-control component needs replacement

the motor can lose the operating smoothness it should have

Installed in the right Freedom Series Microssage setup

Matching the correct auto-reset thermostat helps preserve intended heater behavior and supports cleaner service results

Generic Sta-Rite Posi-Flo Upper Tank Body O-Ring (O-443) filters and RP2100 heater applications whereAn upper tank body O ring helps create a seal at a compatible filter housing connection, and this generic version is designed for Sta Rite Posi Flo upper tank body applications using the O 443 reference. When a tank seal becomes flattened, brittle, or damaged, the housing can lose the sealing support it should maintain around the upper body connection. The Posi Flo fitment gives this O ring practical value because filter tank seals work best when the