While some furnace modules take a 208/240V input

maintaining system efficiency and preventing ghost flows in complex residential or commercial heating zones

High-Tensile Construction: Manufactured for high fatigue resistance to prevent spring relaxation and maintain consistent delivery pressure

this bracket plate ensures a perfect fit without the need for field modifications

Built with a robust forged brass body and plated brass trim

Fasco D291A Motor 319848-301 While some furnace modules takeThe Fasco D291A Motor is a high performance permanent split capacitor (PSC) motor designed as the industry standard direct replacement for D291 and A. O. Smith DA3E206N. Engineered for fan coil, unit heater, and air conditioning applications, this 4 speed 115V motor delivers a multi tap output of 1 10, 1 15, 1 25, and 1 40 HP, allowing for precise airflow adjustment across various system demands. Built on a 42 frame (5 inch diameter) with a dual shaft