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Bard 8407-025 - 20VA 120V to 24V Control Transformer

Bard part number 8407-025 is an OEM control transformer rated 20 VA with a 120V primary and 24V secondary, used to supply stable 24-volt power for low-voltage control circuits in Bard wall-mounted HVAC equipment. If your unit has no 24V to the thermostat circuit, contactors, relays, or control board, replacing the transformer is a common fix when the primary power is present but the control side is dead. This Bard OEM transformer is selected to match factory electrical requirements for proper control operation and safe, dependable performance; confirm your unit voltage is 120V on the primary side and verify wiring and mounting match your model before ordering.


  • Technical Specifications
  • Product number: 8407-025
  • Manufacturer description: Transformer 20VA 120V/24V
  • Weight: 1.262 lbs
  • HTS Code: "8504.31.2000"

$33.00 *

* Orders less than $50 may incure a minimum order fee.