Standard Threaded Pressure Switch (3029)
Standard threaded pressure switch 1/8"NPT, SPST, 25A, 2 male spade connectors, stainless steel threads.
Standard Barbed Pressure Switch (4028P)
Standard barbed pressure switch SPNO, 25A, 3/16" on inside of barb, 2 male spade connectors. Replaces Tecmark 3028P, 3045P and others.
Threaded Pressure Switch (3902, 3903)
Threaded pressure switch 1/8"NPT, SPST, 1A, two terminals accept either spade or forked connectors.