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Bard 5651-191BX - Thermal Expansion Valve 3/8 x 3/8
Bard part number 5651-191BX is an OEM thermal expansion valve with 3/8 inch x 3/8 inch connections that meters refrigerant into the evaporator coil to maintain proper superheat and stable cooling performance on compatible Bard wall-mount and packaged HVAC equipment. A correctly functioning TXV helps prevent coil flooding and compressor stress while improving temperature control and efficiency under changing load conditions. Because expansion valves are application-specific, confirm the exact Bard model and serial match before ordering, and have installation and refrigerant charging performed by a qualified HVAC technician to ensure the system is evacuated, leak-checked, and tuned to Bard specifications.
- Technical Specifications
- Product number: 5651-191BX
- Manufacturer description: Expansion Valve 3/8" X 3/8" Boxed
- Weight: 1.000 lbs
- HTS Code: "8415.90.8085"
- Previous Versions
- 5651-191 (Obsolete, superseded by 5651-191BX)
$133.00
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.