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Bard 5651-186BX - Thermal Expansion Valve (TXV)
Bard part number 5651-186BX is an OEM thermal expansion valve (boxed for service) used in Bard wall-mounted air conditioners and related equipment to meter refrigerant into the evaporator so the system can maintain proper superheat and stable cooling operation. A correctly sized, properly functioning TXV helps prevent evaporator flooding and protects the compressor by controlling refrigerant flow as load conditions change. This is the right choice when diagnosing symptoms such as poor cooling capacity, unstable suction pressure, or erratic superheat that point to a sticking or restricted expansion valve. Verify fit by matching the Bard part number to your unit model and serial, and follow best practices for refrigeration service including filter drier replacement and deep evacuation when the sealed system has been opened.
- Technical Specifications
- Product number: 5651-186BX
- Manufacturer description: Expansion Valve Boxed For Service
- Weight: 0.750 lbs
- HTS Code: "8415.90.8085"
- Previous Versions
- 5651-186 (Obsolete, superseded by 5651-186BX)
$471.00
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.