ensuring a perfect physical and electrical match for specific Lennox models

provided the regulator body is rated for the fuel type

Heat transfer grease is an insulator and will prevent the sensor from making the necessary metal-to-metal contact required to track water levels

ensuring that any flame rollout event is professionally diagnosed before the system is placed back into operation

The 04-01623-00 measures 3-1/2 inches in diameter

TB Woods 4J-3/4 Coupler Flange ensuring a perfect physical andThe TB Woods 4J 3 4 Coupler Flange is a Type J Sure Flex Plus power transmission component engineered for heavy duty industrial and HVAC applications. Manufactured from high strength sintered carbon steel using a powdered metal process, this Size 4 flange provides exceptional dimensional accuracy and uniform material properties. It features a precision 3 4" bore with a standard 3 16" x 3 32" keyseat and a primary setscrew positioned over the keyway