Lennox 47L19 Limit Switch 322838-752 With its backlit full-color touchscreen

With its backlit full-color touchscreen interface and 7-day programming capability

Versatile Compatibility: Designed to manage unit heaters

you know that sacrificial rods are a constant maintenance headache

Constructed for longevity and precise fitment

Key Benefits: Direct OEM Match: Precise electrical and mechanical equivalent for R35035B001 and F42B59A01

Lennox 47L19 Limit Switch 322838-752 With its backlit full-color touchscreenThe Lennox 47L19 Limit Switch is a critical OEM replacement part designed for precise thermal regulation in residential and commercial furnaces. As an auto reset limit switch, this 36T series disc style component operates on a normally closed circuit, ensuring the burner assembly remains functional only within safe operating parameters. When the internal plenum temperature reaches the 185F high limit threshold, the switch opens, breaking the circuit