Pentair ETi400 AGS Switch Replacement Kit, 150F | 475985 Fire Pit Stone Bases This Jandy Air Release Valve

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

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

this 8-foot pole ensures a stable and secure installation

Its direct vent configuration supports safe indoor use by venting combustion byproducts outside and using outside air for combustion

Installation Notes Heater water connection repairs should be completed by a qualified pool professional or experienced technician

Pentair ETi400 AGS Switch Replacement Kit, 150F | 475985 Fire Pit Stone Bases This Jandy Air Release ValveWhat 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