The EPH 3 Zone R37 V2 Central Heating & Hot Water Programmer offers programmable control for your central heating and hot water system, with options for 7 day, 5/2 day, or 24 hour schedules. This wall-mounted thermostat is powered by corded electric and features a 3-wire wire configuration. With a sleek white design and a rectangular shape, this programmable thermostat from EPH Controls has a 5-year manufacturer warranty and includes a boost function for added convenience. Perfect for efficient climate control in your home, this digital control style thermostat is compatible with a variety of heating and hot water systems.