Resideo - Honeywell Home AT120A1004 Transformer

Transformer; Primary Voltage 120/208/240 Volt AC; Secondary Voltage 24 Volt AC; Frequency Rating 60 Hertz; Power Rating 20 Volt Amp; Temperature Rise -20 to 105 Deg F; Size 1-7/8 Inch Width x 2-15/16 Inch Depth x 2-7/8 Inch Height; Mounting Foot; Application Heating/Cooling Control System; Approval UL, CSA; Includes Metal End Bell