Specifications

• BrandResideo
• ChangeoverAuto
• Electrical Connection18 Gauge Solid Wire, 20 Gauge Solid Wire
• Emergency Heat SwitchYes
• Heat Pump CompatibleYes
• Individual Zone Fan ControlYes
• Maximum Operating Temperature165 F (74 C)
• Minimum Operating Temperature-40 F (-40 C)
• Operating Humidity Range5 to 90% RH Non-Condensing
• Overall Depth (In.)1.85
• Overall Length (In.)8
• Overall Width (In.)8
• Package Contents(1) AT140 Transformer, (1) C7735A Discharge Air Temperature Sensor, (1) HZ221 Zone Control Panel
• Resettable FuseYes
• Sensor CompatibilityDischarge Air Temperature Sensor
• Voltage24 V
• ManufacturerResideo Technologies Inc.
• Zone Control Product TypeControl Panels Only
• Number of Zones2 Zone
• Stages of Heat/Cool1 Heat HP
• DisclaimerFor professional use only. Refer to all information, warnings and instructions on product and package labeling and accompanying documentation provided by the product manufacturer. Product must be used in accordance with such labeling and documentation.