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This is a genuine OEM Carrier Economizer Control Board Kit (part# HH63AW001), factory-specified for the Carrier TCHC1850HE401013 commercial rooftop unit. The economizer control board is the intelligence hub of your unit's demand-controlled ventilation (DCV) system — it continuously monitors outdoor air conditions and modulates the economizer damper to maximize free cooling and maintain indoor air quality while minimizing energy consumption. When this board fails, you may experience economizer faults, stuck dampers, non-responsive DCV operation, increased energy costs, or comfort complaints from occupants due to poor fresh-air delivery.
Compatibility: Engineered for the Carrier TCHC1850HE401013 commercial packaged rooftop unit. Also cross-references Honeywell W7212A1017. Always verify your existing board's part number against the unit data plate before ordering. Our HVAC parts specialists are available to confirm fitment — contact us before you order. In stock and ready to ship today.