Technicians should verify flue gas venting configurations and electrical connections to ensure peak performance

leak-proof connection in high-demand hydronic and heating loops

please verify the specific kit requirements for your furnace model number

specifically the AG (General Close-Off) and AH (High Close-Off) models

The 5/8" x 4

Lennox 93M14 Crankcase Heater 323613-751 Technicians should verify flue gasThe Lennox 93M14 Crankcase Heater is a critical component for maintaining compressor health in high voltage commercial HVAC systems. This 480V 40 Watts Crankcase Heater is specifically engineered to prevent refrigerant migration to the compressor oil during the off cycle. By maintaining a constant temperature above the refrigerant saturation point, this heater eliminates the risk of liquid slugging and "foaming" upon startupcommon causes of