Brand New Honeywell TH5220D1003 2H/2C Electronic Non-Programmable Thermostat Auto or manual changeover Millivolt compatible Specifications: Electrical rating: 20 to 30VAC Temperature range: 40¡ãF to 90¡ãF (heat); 50¡ãF to 99¡ãF (cool) Dimensions: 4-1/2" W x 3-7/16" H x 1-5/16" D Replaces: 1F57-306, 1F57-312, 1F58-58, HH07AT172