Thermostat, mercury free, 1 heat/1 cool. Meet all current and future mercury-free thermostat compliance needs with mercury-free Econostat. Sleek, attractive appearance, electromechanical replacement choice. Integrated thermometer and temperature setting scale. Precise snap-action switch. Mount directly on wall or outlet box. Includes dealer logo pocket. Works with 1 heat/1 cool conventional systems and heat pumps with no auxiliary heat.