This model is designed for single or two-speed fan control

The Trane BRG0646 is a heavy-duty

Overpressure Protection: Built-in IRV eliminates the need for external relief valves in most standard residential configurations

Zero Differential Operation: Operates reliably without requiring a minimum pressure drop across the valve

delivering a steady 70W output to ensure optimal viscosity of the compressor lubricant

Johnson Controls P72AA-18 Pressure Control Els PW 29614 This model is designed forDual 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