retaining current time
All models feature durable high-grade construction and a rugged diaphragm with support to prevent stress failure
Intermatic FD4H Spring Wound Countdown Timer
Once hand-pumped to pressurize
Firmware can be upgraded in-field via USB or Ethernet
Intermatic - FD6HHW - Spring Wound Countdown Timer, Decorator Style, White 110V Coil retaining current timeSpec Sheet Install Manual Intermatic FD6HHW Spring Wound Countdown Timer, Decorator Style, 125 277 VAC, 50 60 Hz, SPST, 6 Hour Max, With 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.