For Expert Help Call 1-800-624-4488
Intermatic WH40 - Time Switch Thumbnail

Lighting can be confusing! Expert Help - Call Now

Intermatic WH40 - Time Switch

Water Heater - Mechanical - NEMA 1 Indoor Steel Case - DPST - 10000 Watts - 40 Amps - 250 Volt

View More Details

Product Image
$59.99 ea.
Retail Price $115.98
An error has occurred
Brand Intermatic
MPN (Part No.) WH40
CSA Listed Certified
UPC 007827500740
Case Quantity 12
Housing NEMA 1 Indoor Steel
Switch Rating See Spec Sheet
Sold Separately Additional Trippers
Switch Type DPST
Wattage 10,000 Watt
Depth 3 in.
Height 7.75 in.
Width 5 in.
Amperage 40 Amps
Voltage 250


The Intermatic WH40 mechanical time switch provides an external manual lever permitting the user to turn the water heater on or off ahead of the schedule. The time switch will then revert back to its daily preset schedule. CSA certified, this Intermatic time switch is great for use in residential, commercial, industrial, institutional, and military applications. Please note, the manual lever will be inoperative for 15 minutes following the automatic preset operation.


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