Description
Bard HVAC 5651-178BX Expansion Valve Overview
The Bard HVAC 5651-178BX is an OEM expansion valve designed to deliver reliable, precise refrigerant metering in compatible Bard HVAC systems. Featuring 3/8″ x 3/8″ connections, this thermostatic expansion valve (TXV) regulates refrigerant flow into the evaporator coil, maintaining optimal superheat levels and protecting system efficiency and compressor longevity.
Key Features
- OEM Bard HVAC replacement expansion valve for assured fit and performance
- 3/8″ inlet x 3/8″ outlet connection sizing for straightforward installation
- Designed to maintain precise superheat control for maximum system efficiency
- Helps protect the compressor by preventing liquid refrigerant slugging
- Built to Bard HVAC quality standards for long-lasting, dependable operation
- Ideal for use in Bard wall-mount and packaged HVAC systems
Application
This expansion valve is a direct OEM replacement intended for use in Bard HVAC equipment. Always verify compatibility with your specific Bard unit model before installation. Proper TXV function is critical to maintaining system capacity, efficiency, and equipment life — making this a key component for any service or repair involving the refrigerant circuit.
Installation Notes
- Ensure system refrigerant is properly recovered before replacing the valve
- Verify inlet and outlet line sizes match the 3/8″ x 3/8″ connections
- Follow Bard HVAC service documentation for correct bulb placement and torque specifications
- Leak-check all connections after installation and before system recharge
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