York S1-6004504 Pressure Control 320735-701 To maintain calfibration and accuracy

To maintain calfibration and accuracy at the lowest set points

Replacing a faulty control board with a genuine Lennox 39M84 restores proper airflow and protects the heat exchanger from overheating by ensuring the blower starts and stops in synchronization with the heating or cooling demand

ensuring efficient system cycling and pressure management in critical infrastructure settings

Integrated Access Valve: The Schrader tap allows technicians to verify pressure drop across the suction line filter for real-time diagnostic accuracy

As a critical HVAC safety switch

York S1-6004504 Pressure Control 320735-701 To maintain calfibration and accuracyThe York S1 6004504 Pressure Control is a precision engineered OEM low pressure switch designed to provide essential compressor protection for York, Luxaire, and Coleman condensing units. This component is calibrated for a 7 PSI cut out and a 22 PSI cut in, specifically intended to prevent the compressor from operating under low charge conditions or during evaporator freeze ups which can lead to oil slugging. The S1 6004504 features a durable,