MARS 32634 Heater 323269-701 Installation Ready: Includes the 73-3/4

Installation Ready: Includes the 73-3/4 inch drain hose assembly and NPT plug for a complete furnace flue transition swap-out

Full Port Design: 1-inch NPT threaded connections with a full port orifice maximize CV flow rates and minimize turbulence

Also identified by model number 607388-03

This fan kit is designed as a drop-in assembly

MARS 32634 Heater 323269-701 Installation Ready: Includes the 73-3/4As a seasoned tech, you know that refrigerant migration is a silent killer for compressors during the off cycle. The MARS 32634 Crankcase Heater is a professional grade 120V 70W solution engineered to maintain critical sump temperatures. By keeping the oil warm, this 70W compressor heater prevents liquid refrigerant from mixing with the lubricant, effectively eliminating compressor slugging and high torque flooded starts that lead to premature