Nordyne 921104 Coil Assembly 320734-701 and Zettler AZ290-1C-240A

and Zettler AZ290-1C-240A

Operating at 230/460V at 60Hz

Multi-Speed Blower Support: Manages fan speeds to maintain appropriate temperature rise across the heat exchanger

offering a direct-fit solution for maintaining HVAC system efficiency

Common indicators include the boiler inducer motor running continuously without the burner igniting

Nordyne 921104 Coil Assembly 320734-701 and Zettler AZ290-1C-240AThe Nordyne 921104 Coil Assembly is a high performance OEM replacement evaporator coil engineered to restore thermal transfer efficiency in gas furnace and split system configurations. As a direct replacement for obsolete HVAC coils, this assembly is critical for maintaining the correct refrigerant to air heat exchange, preventing premature system cycling. This unit is designed for compatibility with specific Nordyne, Intertherm, and Miller series,