The Hoffman Controls 706-123S Adjustable Speed Control is a versatile device designed for precise control of fan and motor speeds in HVAC and ventilation systems. Rated for 5 amps and compatible with 120–277V power input, it offers smooth, adjustable performance to optimize energy efficiency and comfort. This durable, easy-to-install speed control is ideal for single-phase motors and ... https://www.partshnc.com/706-123s-hoffman-controls-120-thru-277v-5a-adj-spd-cntrl