The NEMA 1 - 250 V DPST w/ External Manual Override Switch "Little Gray Box" This Mechanical Water Heater Time Switch Regulates Electric Water Heaters. Daily Operation can be set with Trippers from 1 to 23 Hours
Modified Industry Description
WATER HEATER TIME SW
Intermatic® WH40 Mechanical Timer Switch, 1 hr Setting, 208 to 277 VAC, 2 hp, 5 hp, DPST Contact, 2 Poles
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.