Lennox 46K73 Limit Switch 326058-755 install the lamp in the

install the lamp in the supply duct or directly over the AC indoor coil

and legacy Raypak commercial heaters

the clockwise (CW) rotation and robust metal construction ensure this fan blade assembly delivers consistent airflow for proper heat exchange

the draft shield ensures more stable pressure readings

driving the stroke of your V-3000 series or 3R valve assemblies

Lennox 46K73 Limit Switch 326058-755 install the lamp in theThe Lennox 46K73 Limit Switch is a critical safety component designed for precise thermal regulation within high performance HVAC systems. Engineered as a 200 230F Auto Limit Switch, this genuine OEM part monitors internal temperatures and interrupts the heating circuit if values exceed safe operating parameters, effectively preventing equipment damage. This specific model, also identified by part number 46K7301, features an auto reset function that