Heatcraft Refrigeration 2891402 Pressure Switch 319847-401 Integrated timing logic optimizes defrost

Integrated timing logic optimizes defrost intervals to prevent unnecessary energy consumption

Approximately 5-5/8-inch motor diameter

Common Technical Questions What is the primary function of the 5-pin connector on the 27M25

The Browning BX124 Belt is a high-performance Gripnotch V-Belt engineered for demanding commercial and industrial HVACR drive systems

OEM Compatibility: Direct Lennox 59M27 replacement ensures port alignments match factory pressure switch tubing and drain trap hosing perfectly

Heatcraft Refrigeration 2891402 Pressure Switch 319847-401 Integrated timing logic optimizes defrostThe Heatcraft Refrigeration 2891402 Pressure Switch is an essential adjustable low pressure control designed for high stakes commercial refrigeration and HVAC applications. This genuine OEM replacement part provides critical protection for compressors by monitoring suction pressure and interrupting the electrical circuit during low charge or restricted flow conditions. Engineered with a Single Pole Single Throw (SPST) configuration, this open low