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Bard 8407-074 - Control transformer 24VAC 40VA

Bard part 8407-074 is an OEM 40 VA control transformer used to step down incoming line voltage to 24 VAC for the low-voltage control circuit in Bard wall mounted HVAC equipment. With multi-tap primary inputs for 120, 208, or 240 volts and a 24 volt secondary, this transformer supports stable power to components like contactors, relays, and control boards, helping prevent nuisance control issues caused by weak or incorrect voltage. Verify your unit voltage and confirm the part number in the Bard parts list for your specific model and serial range to ensure proper fit and wiring compatibility.


  • Technical Specifications
  • Product number: 8407-074
  • Manufacturer description: Transformr 120/208/240-24 40VA
  • Weight: 1.000 lbs
  • HTS Code: "8504.31.4065"

$109.00