The Lennox 34K76 is a professional-grade PSC condenser fan motor engineered for direct-drive applications in high-static residential and light commercial HVAC systems

this Apollo 50-GB series valve features a chrome-plated ball and a zinc tee handle for smooth operation and positive shutoff in demanding commercial and industrial boiler environments

and complex duct systems where the controller must be mounted away from the sense point

technicians should verify the furnace flame sensor replacement matches the specified Dunkirk boiler part number to ensure proper mounting geometry and signal continuity within the combustion chamber

Copeland 030-0187-01 Heater Sleeve 340155-7024 The Lennox 34K76 is aAs a seasoned tech, you know that cold core starts are the fastest way to kill a compressor. The Copeland 030 0187 01 Heater Sleeve is a critical OEM replacement part designed to house the crankcase heater for 2D, 3D, and 9R series semi hermetic compressors. This 3 8" NPT heater sleeve ensures maximum thermal contact between the heating element and the oil sump, facilitating efficient heat transfer to prevent refrigerant migration during off cycles.