Pentair Automatic Gas Shut Off Switch For ETI 400 Heaters | 150° | 475985 Novalink SL F1239ST is engineered for pools and

is engineered for pools and spas up to 35

order online – includes 3 half unions

water clarity issues solved with new internal grids

Curved Vertical Grids: Maximizes filter surface area for more dirt capture and extends time between cleaning cycles

Pentair Automatic Gas Shut Off Switch For ETI 400 Heaters | 150° | 475985 Novalink SL F1239ST is engineered for pools andThe OEM Pentair Automatic Gas Shut Off Switch (AGS) for ETI 400 Heaters, part number 475985, is a critical safety component designed to automatically shut off the gas supply to the heater if the water temperature exceeds 150F. This switch ensures the safe operation of your pool heating system by preventing overheating, which can lead to equipment damage or safety hazards. The AGS switch is compatible with Pentair ETI 400 High Efficiency Pool and Spa