Johnson Controls P100AP-355 Transducer 320819-301 and the "40" represents the

and the "40" represents the differential—meaning the switch will close (reset) once the temperature has dropped 40°F below the trip point

and FAN3719

The BM-3354 is constructed from durable alloys capable of withstanding the thermal expansion and high-pressure demands common in commercial and residential HVACR applications

This robust motor replaces multiple legacy part numbers

range using the internal adjustment dial located under the protective cover

Johnson Controls P100AP-355 Transducer 320819-301 and the "40" represents theThe Johnson Controls P100AP 355 EncapPressControl is a professional grade encapsulated pressure switch specifically engineered for direct mount, on off control in commercial and residential HVACR systems. As a veteran preferred refrigeration pressure control, this unit features a snap action SPST switch designed to open on a pressure drop (Open Low), making it an ideal choice for low pressure cut out and condenser fan cycling. Built to withstand