The Pentair Water Pressure Switch Kit is the replacement for the MiniMax Plus Heater. The switch allows you to turn water pressure on and off at preset water pressures.
Pentair 470190Z Water Pressure Switch Kit for Model MiniMax Plus 150, 200, 250, 300, 350, 400 Heater
This Pressure Switch will work in the new Style Hayward Heaters requiring the 1/4″ Size listed as part number FDXLWPS1930 H-Series Water Pressure Switch
