Keep your Bard HVAC units operating reliably with this OEM step-down transformer (part numbers 8407-034, HCT-09E0BB06251). Engineered to convert 208/240V primary voltage to 24VAC secondary, this 40VA transformer supplies stable power to control boards, relays, and thermostats?ensuring safe and consistent functionality in commercial or residential Bard climate systems. Key Features Converts 208/240V to 24VAC for HVAC control circuits Rated at 40VA for multiple low-voltage components OEM design ensures exact fit and reliable performance Compatible with a wide range of Bard heating and cooling units Built to withstand continuous-duty HVAC environments Specifications Part Numbers: 8407-034, HCT-09E0BB06251 Primary Voltage: 208/240V Secondary Voltage: 24VAC Power Rating: 40 VA Frequency: 50/60 Hz Application: Control transformer for HVAC systems Compatible Models Bard WH Series Units Bard W Series Wall-Mount AC Units Bard HVAC Classroom Units Bard HVAC Units with 208/240V Input Bard MSHS or MHRS Series (List shortened for relevance; verify model-specific needs) Why Choose This Item This transformer ensures reliable low-voltage power for your Bard HVAC control systems. With its OEM-approved design, solid 40VA capacity, and compatibility across many Bard models, it?s a dependable solution for maintaining efficient climate control in demanding applications like schools, server rooms, and commercial buildings.