Description
The Bard HVAC 8407-034BX is an OEM-grade control circuit transformer engineered to deliver dependable low-voltage power to HVAC control systems. Stepping down 208/240V primary voltage to a stable 24V secondary output at a 40VA capacity, this transformer is purpose-built for use in Bard heating and cooling equipment where precise, consistent control voltage is essential for safe and efficient operation.
Key Specifications
- Primary Voltage: 208/240V
- Secondary Voltage: 24V
- VA Rating: 40VA
- Brand: Bard HVAC
- Part Number: 8407-034BX
Features & Benefits
- OEM replacement part designed for direct compatibility with Bard HVAC systems
- Dual primary voltage (208/240V) accommodates a range of commercial and residential power supplies
- 24V secondary output powers thermostats, contactors, relays, and other low-voltage control components
- 40VA capacity provides ample power for standard HVAC control circuit loads
- Reliable construction helps protect control boards and connected components from voltage irregularities
Application
This transformer is a direct OEM replacement for Bard HVAC units requiring a 208/240V to 24V step-down transformer. It is ideal for service technicians performing maintenance, repair, or component replacement on compatible Bard equipment. Always verify compatibility with your specific unit model before installation.









