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Key Benefits for Contractors Direct OEM Compatibility: Specifically designed as the drop-in float and gasket for 64 Series and 764 units
this kit provides a complete internal refresh for 2-way and 3-way valve bodies
protecting the compressor or managing staged cooling
air can stratify into different temperature layers
Nordyne 903108 Control Box 30067439-890 Key Benefits for Contractors DirectThe Nordyne 903108 Control Box is a critical integrated ignition control module designed for M1 series furnaces and select gas fired heating units. As a direct OEM replacement part, this Nordyne furnace control board manages the hot surface igniter (HSI), monitors flame rectification through the sensing circuit, and sequences the inducer motor and blower timings. This board is engineered to resolve common furnace ignition failures and intermittent