Promotional price valid on web orders only. Your contract pricing may differ. Interested in signing up for a dedicated account number?
Learn More
  1. Home
  2. Products
  3. 502794474

Grainger Intermatic Water Heater Timer, 208-250 VAC, 40 A, 1 ea

Catalog No. 502794474
Encompass_Preferred

The WH40 electromechanical water heater timer provides automated control for 208-250 VAC electric heaters, featuring an easy-set yellow dial for scheduling. Designed to reduce energy costs by shifting load consumption to off-peak hours, this unit includes an external manual override lever for flexible operation. The timer is enclosed in a NEMA 1 steel housing suitable for indoor surface mounting.

  • Features 40 A, double-pole, single-throw (DPST) contact form
  • Offers 1-hour minimum ON/OFF control with up to 12 cycles per day
  • Includes three sets of ON/OFF trippers
  • Operates within a temperature range of -40°F to 130°F
  • Rated for 5 hp at 240 V
  • Compatible with residential, industrial, commercial, and institutional applications
  • Compliant with RoHS, cULus, CSA, and HVACR standards

Catalog No. 50-279-4474 Supplier Grainger Supplier No. 1A573
May include imposed supplier surcharges.
Add to Cart
Add to Cart

missing translation for 'validMainframeMsg'

The WH40 electromechanical water heater timer provides automated control for 208-250 VAC electric heaters, featuring an easy-set yellow dial for scheduling. Designed to reduce energy costs by shifting load consumption to off-peak hours, this unit includes an external manual override lever for flexible operation. The timer is enclosed in a NEMA 1 steel housing suitable for indoor surface mounting.

  • Features 40 A, double-pole, single-throw (DPST) contact form
  • Offers 1-hour minimum ON/OFF control with up to 12 cycles per day
  • Includes three sets of ON/OFF trippers
  • Operates within a temperature range of -40°F to 130°F
  • Rated for 5 hp at 240 V
  • Compatible with residential, industrial, commercial, and institutional applications
  • Compliant with RoHS, cULus, CSA, and HVACR standards

Product Title
Select an issue

By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.