Lennox 83L76 Limit Switch 322838-752 the bulb should be secured

the bulb should be secured between the 1 o'clock and 4 o'clock positions

This switch is common in Allied Air and Armstrong units

replacing legacy part numbers 191149-5 and 9004475215

With a 3-speed blower motor configuration and a 1350 RPM rating

Why is it important to use an OEM assembly instead of a generic wheel

Lennox 83L76 Limit Switch 322838-752 the bulb should be securedFor service technicians addressing furnace short cycling or thermal cutout issues, the Lennox 83L76 Limit Switch serves as a direct fit OEM replacement part designed for high limit circuit protection. This 140 180F AUTO limit switch is engineered with a calibrated bimetal snap disc that opens at 180F to prevent heat exchanger damage and automatically resets at 140F once the plenum temperature stabilizes. As a critical furnace safety sensor, it