The WHITE RODGERS part 03F11-225 is a Snap Action Disc Thermostat with a 4-Pin design. This high-quality thermostat is designed to accurately control temperature and provide reliable performance. Its snap action disc ensures quick and efficient temperature adjustment, allowing for precise control in heating and cooling applications. With its 4-Pin configuration, this thermostat is easy to install and compatible with a wide range of HVAC systems. Trust the WHITE RODGERS 03F11-225 for dependable temperature regulation in your home or commercial space.