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This is the genuine OEM replacement transformer (part number HT01BC701) factory-specified for the Carrier PY3GEAA42090AA commercial HVAC unit. This high-capacity step-down transformer converts 460V primary voltage to 230V secondary voltage at a robust 1564VA rating, supplying clean, stable power to the unit's control circuit and load components. When this transformer fails, symptoms include complete loss of unit operation, tripped secondary fuses, burnt or shorted wiring, or zero voltage on the secondary side — all of which bring the system to a full stop.
Compatibility: Designed for the Carrier PY3GEAA42090AA commercial packaged unit. Cross-references include BE33426001 and Basler Electric equivalent. Always confirm primary/secondary voltage and VA rating on your unit's data plate before ordering. Our HVAC parts specialists are available to verify fitment prior to purchase — don't hesitate to reach out before you order.