The Intermatic WH40 Electric Water Heater Timer is a reliable and durable electrical device designed for wall mounting. With a maximum amperage of 40A and a voltage of 240V, this timer is suitable for controlling the operation of your water heater. The digital control style and timer feature make it convenient and energy-efficient, while the sturdy stainless steel and metal construction ensures long-lasting performance. Made in the United States, this new in box water heater timer is a valuable addition to your home electrical setup.