Fasco D383 Motor 318820-201 Natural gas requires a larger

Natural gas requires a larger orifice diameter to account for the difference in energy density and manifold pressure

This component is essential for duct static pressure sensing and VAV box control applications where reliable measurement is critical for maintaining proper air balance and system efficiency

and Payne units requiring part number HD46AQ259 or HK46ER237

ensuring a gas-tight seal during the swap is paramount for preventing carbon monoxide infiltration into the occupied space

Fasco D383 Motor 318820-201 Natural gas requires a largerThe Fasco D383 Motor is a high performance, shaded pole centrifugal blower designed for reliable air displacement in light commercial and residential HVAC applications. Engineered as a direct replacement for Century 383 and Universal U383, this 115V unit operates at a consistent 3000 RPM, delivering approximately 90 CFM. As a veteran grade 1 50 HP blower motor, it features a 3. 3 inch diameter frame and a durable stainless steel shaft to withstand