Johnson Controls P72AA-18 Pressure Control 30067439-890 The Johnson Controls A19BAF-1 is

The Johnson Controls A19BAF-1 is a heavy-duty mechanical temperature control engineered for precision in demanding HVACR environments

The Emerson Alco 097882 Temperature Control (Model TS1-C0P) is a heavy-duty single stage thermostat engineered specifically for critical frost protection in high-demand refrigeration and heat pump systems

Direct compatibility with York and Johnson Controls equipment eliminates the need for field modifications

Optimized Performance: Restores accurate diaphragm-operated valve responsiveness to maintain steady system pressure and fuel efficiency

Johnson Controls P72AA-18 Pressure Control 30067439-890 The Johnson Controls A19BAF-1 isDual Pressure Control, DPST Switch Only, 3 4" Conduit Opening, 12" to 50 Psi, Nema 1 Enclosure, No Adjustment Knob, Amoonia Use P72AA 18 is identical to P72AA 18C