this fan and limit control switch serves as a vital fail-safe against system overheating

ensuring a secure and leak-free fit when properly seated in the pilot bracket

or the compressor cycling on the thermal overload protector due to the start winding remaining energized too long

Ease of Installation: Standard Danfoss MT50 footprint and rotalock fittings simplify drop-in replacements for field technicians

The external adjustable setpoint allows for field calibration

Lennox 49K71 Limit Switch R-134A this fan and limit controlThe Lennox 49K71 Limit Switch is a critical safety component engineered for precision temperature monitoring in high output furnace and air handler applications. This OEM furnace limit switch is factory calibrated to an L220F trip point, ensuring the electrical circuit breaks immediately if internal temperatures exceed safe operating parameters. As a manual reset limit control, it requires a technician to physically intervene after a high limit event,