The NOS GE 21HT611 22A Double Pole Line Voltage Thermostat is a reliable and efficient thermostat designed for home and garden heating and cooling systems. With a voltage range of 208-277VAC, this GE thermostat offers precision control over your HVAC system, ensuring optimal temperature regulation for added comfort and energy efficiency. Perfect for programmable thermostat systems, this double pole design provides a secure and stable connection for your home improvement needs.