OEM Standards: Replaces 311616 and 311616/U with identical technical specifications and load capacity

Precise Fit: Features a high-tolerance 6

Common failure points include cracked ceramic insulation due to physical impact

The internal 25 µm filter ensures high dirt retention with minimal pressure drop

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

Lennox 83L90 Limit Switch OEM Standards: Replaces 311616 andThe 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