Heater Thermostat Control
truck & cart wash-down areas
Noise immune – ideal for robust applications
Easily removable filter screen
This model is a Hardwired Rain Sensor
Intermatic - FD4HW - Spring Wound Countdown Timer, Decorator Style, White ESP-4MEI Heater Thermostat ControlSpec Sheet Install Manual Intermatic FD4HW Spring Wound Countdown Timer, Decorator Style, 125 277 VAC, 50 60 Hz, SPST, 4 Hour Max, Without Hold, White The FD Series Decorator Countdown Timers are designed to replace any standard or decorator style wall switch, single or multi gang. These mechanical timers do not require electricity to operate. They automatically limit the ON times for fans, lighting, motors, heaters and other energy consuming loads.