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As a direct replacement for the Lennox 78M2501
the A-4423-2 provides the stability needed to maintain a constant pressure dew point
it proactively safeguards equipment by opening the electrical circuit when the sensing environment reaches its fixed 170-degree Fahrenheit trip point
Whether you are controlling pool pumps
Johnson Controls WHA-P399-200 Wiring Harness 321142-301 As a direct replacement forThe Johnson Controls WHA P399 200 Wiring Harness is a 6. 6ft pressure transducer cable engineered specifically for the P399 series electronic pressure transducers. As a veteran grade HVACR replacement part, this harness provides the critical ratiometric signal interface required for precise refrigerant pressure monitoring in commercial refrigeration and air conditioning systems. The WHA P399 200 is technically identical to the WHA P399 200C and
