Intermatic WH40DL3 is a time switch that can help you automatically turn your water heater on and off at specific times of the day, providing energy savings and convenience. It's easy to install and has an external manual override switch for added flexibility.

The WH40DL3 is compatible with both hard-wired and cord-and-plug connected water heaters and features a 24-hour clock dial with ON and OFF trippers. This allows you to customize a daily schedule that meets your hot water needs while minimizing energy consumption during peak hours.