Key Benefits Optimized Fan Cycling: Precisely maintains head pressure by cycling condenser fans at 170/250 PSIG setpoints

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

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

ensuring the safe and efficient discharge of combustion gases from the heat exchanger to the venting system

The Lennox 44L55 is an A44 belt

TB Woods 4J-3/4 Coupler Flange Key Benefits Optimized Fan Cycling:The 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