Pressure Switches

This part is a Pressure or Flow Switch for a Hayward HeatPro Pool Heater.. some of the heater model numbers this fits are HP20654T, HP21104TC, HP21404T, HP21124T.. NOte: This pressure switch is not a thread in type it is made be mounted through a hole...

This part is a Electronic Pressure Switch for Watkins Solana, Caldera & Hot Spot, 2006 Thru Current that features 1/8th" MPT Standard Threads and 2 pin connectors for attaching the 2 wire 3 hole connector for a Watkins Hawk board. What goes wrong...