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Bard 5651-203BX - Expansion Valve 3/8 x 3/8
The Bard 5651-203BX expansion valve is an OEM refrigerant metering component used in Bard wall-mounted HVAC equipment to regulate refrigerant flow into the evaporator coil so the system can maintain stable suction conditions and proper cooling performance. This valve is supplied boxed and is specified as a 3/8 inch x 3/8 inch connection size, making it a common service replacement when a valve is restricted, leaking, or no longer controlling superheat correctly. Because correct refrigerant control is critical to compressor protection and overall capacity, always confirm the exact Bard model and serial compatibility before ordering and replace using standard refrigeration best practices for evacuation, moisture control, and leak checking.
- Technical Specifications
- Product number: 5651-203BX
- Manufacturer description: Expansion Valve - Boxed 3/8" X 3/8"
- Weight: 0.700 lbs
- HTS Code: "8415.90.8085"
- Previous Versions
- 5651-203 (Obsolete, superseded by 5651-203BX)
$123.00
What does the "BX" suffix mean?
Bard uses suffixes like "BX" to manage parts internally. These do not change the physical form or function of the part.
A part number ending in "BX" simply means it is packaged in a box for shipping, rather than for internal assembly use.
Example: 8406-142BX is physically identical to 8406-142.