WP3977456 Replacement

The WP3977456 Start Switch (Push-to-Start) initiates a dryer’s operation by completing the control circuit when pressed. Once activated, it enables power to the motor and heater until the timer or control logic advances the cycle.

WP3977456 Key Features:

Momentary push-button contact with internal holding relay mechanism

Rated for low-voltage control circuits in dryer systems

Multiple spade-type terminals for wiring to motor, heater, and timer connections

Durable plastic housing designed for repeated actuation

Direct replacement for part numbers 3977456, WP3977456

Compatible with a range of Whirlpool, Maytag, Kenmore, Amana, and other dryer models that list WP3977456 as the start switch component