Lennox 44A97 Pressure Switch 320074-702 which is a requirement in

which is a requirement in larger tonnage commercial HVAC systems to prevent refrigerant loss

preventing reverse rotation and nuisance limit switch cycling

Exact Fit: Direct replacement for part number 46150700

making it better suited for modulating steam pressures and equipment where air removal is critical during start-up

Lennox 44A97 Pressure Switch 320074-702 which is a requirement inThe Lennox 44A97 Pressure Switch is a high performance OEM high pressure cutout designed to protect Lennox compressors and refrigeration circuits from excessive internal pressures. This 410# manual reset pressure switch actuates at 410 PSI, immediately interrupting the circuit to prevent catastrophic system failure. Unlike auto reset switches, this SPST normally closed (NC) control requires a technician to manually intervene, ensuring that the root