Tecmark 1 amp pressure switch part #3902. It is SPNO, adjustable from 1-5psi and has a 1/8" mpt. Will retrofit to virtually any pressure switch application. 3902 Series replaces all pilot duty and millivolt gas heater applications. It includes a 1/8" barb adapter and both 3/8" and 1/4" compression adapters. Full plastic pan material for a corrosion free life. The two terminals accept either spade or forked connectors. This pressure switch will fit most hot tubs using a circuit board.
Note: Please remember to double check your existing pressure switch for part# or e-mail us with a picture of your existing one & we will match it for you!!!
Manufacturer's 90 day limited warranty free of defects