Pentair ETi400 AGS Switch Replacement Kit, 150F | 475985 Fire Pit Stone Bases Inspect all internal connections and

Inspect all internal connections and seals while the filter is apart to prevent repeat service

This Jandy Air Release Valve Replacement helps remove trapped air from pool plumbing

Assembly required

This Stainless Steel Pan Head Screw Replacement is designed with a 10-32 thread and 7/8 in length for secure fastening

Pentair ETi400 AGS Switch Replacement Kit, 150F | 475985 Fire Pit Stone Bases Inspect all internal connections andWhat This Part Is Used For Pentair 475985 Kit ETi400 AGS Replacement 150F is a replacement AGS kit for compatible Pentair ETi400 heaters. It is rated at 150F and supports safe heater temperature monitoring. Why This Part Matters A malfunctioning AGS can cause heater shutdowns or overheating concerns. Replacing it helps restore proper temperature sensing and safe operation. Reliable temperature protection helps prevent internal heater damage. Key