The Dial 7624 Digital Low-Volt Controller is a highly-reliable, durable product from Dial. This 115/230V controller has a digital designed thermostat with a separate controller in a water-proof box. It's components are not interchangeable with other low voltage thermostats. It features an automatic start and stop for temperature comfort, an automatic pad pre-wet, and an automatically adjusting high to low speed setting. It features a digital display, an optional timer (2, 4, and 8 hours), and has been rated for 1 HP 115V or 2 HP 230V motors.