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A shift to yellow indicates that the moisture concentration has exceeded acceptable levels for the specific refrigerant type
Changing the pitch (28 degrees) can alter the motor’s amp draw and lead to motor burnout or inadequate cooling capacity
As an OEM replacement HVAC pressure sensor
This actuator is primarily used for proportional control of dampers
Williams 7B46 Motor Support 321894-708 A shift to yellow indicatesThe 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
