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Intermatic WH40 Electric Mechanical Water Heater Time Switch, Up to 12 ON/ OFF Events

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$47.24 cheaper than the new price!!

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Product details

Management number 204744375 Release Date 2025/10/21 List Price $47.25 Model Number 204744375
Category

With the easy-to-set "Yellow Dial", these time switches allow for basic control of electric hot water heaters. These time switches offer a minimum ON/OFF time of one hour, and are available for 208-250 VAC applications. With the proven reliability of our mechanical line, these time switches provide dependable electric water heater control.

  • Two sets of ON/OFF trippers
  • Enables shifting electricity use into off-peak hours to reduce energy costs
  • Convenient external override switch
  • Special Features: 10000 W, 40 A, 240 V, 60 Hz Capacity, DPST Switch
  • Usage: For Residential, Commercial, Industrial, Institutional/Schools and Military Facilities.


The WH40 is Intermatic's original 'Little Gray Box' timer. It can provide the homeowner substantial savings on his/her electricity costs. It has heavy duty 40 amp and 10,000 watt ratings. With a convenient external override switch, the WH40 is easy to install and easy to program, with 2 sets of on/off trippers included. This timer is ideal for water heater control of residential, commercial, schools and military facilities. The enclosure is NEMA 1 rated indoor steel and has a lockable hasp, which holds the door closed. There are 3 mounting holes on the back and combination knockouts on the sides, back and bottom of the enclosure.

Applications:

  • Residential
  • Institutional
  • Industrial
  • Commercial
  • Military Facilities
  • Schools

Specifications:

  • Material: Steel
  • Mechanism Type: Analog/Mechanical
  • Minimum ON/OFF Times: 1 hour
  • Maximum ON/OFF Operations: 0
  • Input Voltages Display: 208-250 VAC, 60 Hz
  • Standards: CSA Certified.

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