Environmentally Protected: Features a rugged

Both utilize a 117V AC reset coil and SPDT switching

Installation Versatility: Dual-powered design functions as a hardwired 24VAC thermostat or as a battery-operated unit for retrofit applications

While specifically designed for Watts backflow assemblies

Williams 7B46 Motor Support 321042-401 Environmentally Protected: Features a ruggedThe Williams 7B46 Motor Support is a critical structural component engineered specifically for Williams Forsaire furnaces, including Counterflow Top Vent and Direct Vent models. Designed to work in pairswith two motor supports required per unitthis heavy duty furnace replacement part provides the necessary rigidity to maintain blower motor alignment. Precision alignment is essential to prevent premature bearing wear and ensures quiet, reliable airflow