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

This 50VA control transformer provides reliable step-down performance

Common Questions Can I use a 440V capacitor to replace a 370V unit

providing a reliable solution for complex troubleshooting scenarios where system logic or voltage regulation has degraded

Field Controls 01804401 Control 321042-401 The Nordyne 660303R Orifice isThe 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