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Durable 5/8" ODF connections ensure leak-free integration with copper line sets
170" ID and ability to maintain structural integrity in low-pressure pneumatic pulse applications up to 1 atm
Compatibility is determined by the model and serial number of the furnace
minimizing downtime during service calls
This HVAC pressure switch is essential for verifying proper venting and draft through the heat exchanger
Heatcraft Refrigeration 28903201 Pressure Switch 320734-701 Durable 5/8" ODF connections ensureThe Heatcraft Refrigeration 28903201 Pressure Switch is a high side safety essential designed to protect commercial refrigeration compressors from catastrophic failure due to excessive head pressure. Built for rigorous field duty, this 425 320# high pressure switch features a fixed 400 psi cutout (opening at 425 psi according to technical benchmarks) and a 320 psi reset. As an authentic OEM Heatcraft replacement part, it ensures direct compatibility