This factory-authorized OEM limit control is vital for protecting the furnace heat exchanger from overheating conditions

reducing downtime during routine system inspections

The Lennox 10F74 is designed to replace aging or 13-year-old control relays in high-ambient environments

Measuring 55

5 Microfarad rating

Heil Quaker ICP 1071749 Pressure Switch This factory-authorized OEM limit controlThe Heil Quaker ICP 1071749 Pressure Switch is an essential OEM replacement component designed for high pressure monitoring in refrigeration and HVAC systems. Engineered for high pressure cutout protection, this OP420 CL300 switch operates with a precise 425 PSI cutout and a 325 PSI cut in (reset) point. As a veteran grade HVAC safety control, it effectively prevents compressor damage by interrupting the electrical circuit when internal pressures