Bard HVAC S8407-034 Transformer

For HVACR contractors maintaining Bard wall-mounted units, the Bard S8407-034 Transformer is an essential OEM component. This robust HVAC control transformer is engineered to precisely step down incoming 208/240V AC power to a stable 24V AC output, rated at 40VA. It's the direct replacement for obsolete models like 8407-034, 8407-007, and 8407-020, ensuring seamless integration and reliable performance within your existing Bard equipment. Operating at 50/60Hz, this 40VA step-down transformer provides the critical low-voltage supply necessary for contactors, relays, and other control circuit components. When troubleshooting intermittent control power or a buzzing transformer, installing the correct Bard wall-mounted HVAC parts like the S8407-034 restores proper voltage, safeguarding your system's operational integrity and preventing undervoltage issues.

Key Benefits

• Ensures reliable 24V control power for critical HVAC functions.
• Guaranteed OEM compatibility with Bard wall-mounted HVAC equipment.
• Direct replacement for superseded Bard transformer models, simplifying upgrades.
• Maintains stable operation of sensitive control circuits.

Common Questions

• What are the input and output voltage specifications for this transformer? The input is 208/240V AC, and the output is 24V AC at 40VA.
• Is the S8407-034 compatible with older Bard HVAC units that used the 8407-034? Yes, the S8407-034 is the updated and direct replacement for the 8407-034 and other earlier versions.
• What are typical indicators of a failing HVAC control transformer? Common signs include intermittent control power, a noticeable buzzing sound from the transformer, or a complete loss of 24V output to control circuits.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.