Heatcraft Refrigeration 28903201 Pressure Switch 320734-701 Compatibility is determined by the

Compatibility is determined by the model and serial number of the furnace

According to standard system design for the PopTop series

This HVAC pressure switch is essential for verifying proper venting and draft through the heat exchanger

this permanent split capacitor (PSC) unit operates with a two-speed configuration

Heatcraft Refrigeration 28903201 Pressure Switch 320734-701 Compatibility is determined by theThe 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