3028  Pressure switch

Connection: 1/8 Inch Barb Pressure: Adjustable 1-5 lbs. Switch: SPST (NO) 25A.

Need teflon tape? Best to wrap the threads of the pressure switch with teflon tape to assure a good seal at the pressure switch tap on the heater manifold.

or see  3029P,  3029, 3036 and others