Description
Bard HVAC OEM Expansion Valve – 5651-078BX
The Bard HVAC 5651-078BX is a genuine OEM thermostatic expansion valve (TXV) designed as a direct replacement for compatible Bard HVAC systems. Featuring 3/8″ x 3/8″ connections, this valve precisely meters refrigerant flow into the evaporator coil, helping maintain optimal system efficiency, prevent flooding, and protect the compressor from liquid slugging.
Key Features
- Genuine Bard HVAC OEM replacement part – ensures proper fit and function
- 3/8″ x 3/8″ inlet/outlet connections for straightforward installation
- Precisely meters refrigerant flow to optimize evaporator performance
- Helps protect the compressor by preventing refrigerant flood-back
- Maintains consistent superheat for improved system efficiency and reliability
- Built to Bard HVAC quality standards for long-lasting, dependable operation
Application
This expansion valve is intended for use in Bard HVAC wall-mount and packaged HVAC systems that require an OEM-spec TXV replacement. Always verify compatibility with your specific Bard unit model before installation.
Why Choose OEM?
Using genuine Bard HVAC replacement parts ensures your equipment operates within factory specifications, preserves warranty coverage, and reduces the risk of callbacks. The 5651-078BX is the correct part number for qualifying Bard systems, making it the trusted choice for HVAC professionals.







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