Common failure points include cracked ceramic insulation due to physical impact

Thermal Protection: Specifically designed to pull heat away from the furnace inducer motor

ranging from 1 inch to 2 3/4 inches

the HC98ZZ510 is the manufacturer-designated update for the HC98ZZ511 motor mounting band

The White-Rodgers 90-380 is a heavy-duty

Lennox 83L90 Limit Switch Common failure points include crackedThe Lennox 83L90 Limit Switch is a critical OEM automatic primary limit control designed for high performance Lennox furnace assemblies. This SPST switch is engineered to monitor heat exchanger temperatures, providing essential over temperature protection by opening the electrical circuit when the high limit threshold of 210F is reached. As a genuine Lennox 83L9001 equivalent, it features a 3 inch insertion length to ensure the sensor is positioned