The White-Rodgers thermostat 1E50N-301 is an easy to operate low voltage mechanical thermostat. White-Rodgers is a business of Emerson Climate Technologies, the world's leading provider of heating, ventilation, air conditioning, and refrigeration solutions for residential, industrial, and commercial applications. Combining technically superior products and services from industry-leading companies and brands with global engineering, design, distribution, installation, and monitoring capabilities help Emerson Climate Technologies to create reliable, energy efficient climate systems that improve human comfort, safeguard food, and protect the environment.