Tecmark 1 amp pressure switch part #3902. It is SPNO, adjustable from 1-5psi and has a 1/8" mpt. Full metal body for strength & durability. 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 model/part# or e-mail us with a picture of your existing pressure switch & we will match it for you!!!