this direct replacement blower motor is a "drop-in" solution featuring a standard 48-frame diameter (5-5/8") and an integrated control module

maintaining consistent indoor air quality and comfort

NPT and 1/4 in

The Nordyne 660303R Orifice is a precision-engineered OEM replacement part specifically designed for LP (Liquid Propane) gas configurations in 66 Series furnaces

Field Controls 01804401 Control 321042-401 this direct replacement blower motorThe Field Controls 01804401 (Model 7" MG1) is a high precision double acting barometric draft control engineered specifically for gas fired heating systems, including furnaces, boilers, and conversion burner applications. This 7 inch draft regulator is an essential component for maintaining combustion stability and preventing backdrafting by automatically compensating for fluctuations in barometric pressure and stack temperature. Technical field data