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Bard 5651-178BX - Thermostatic Expansion Valve (TXV)
Bard part 5651-178BX is an OEM thermostatic expansion valve (TXV) used in Bard wall mounted air conditioners and heat pump systems to meter refrigerant flow into the evaporator for stable superheat control and reliable cooling performance. This valve is a 3/8 in by 3/8 in connection size and is commonly specified as an R410A, 3 ton check TXV, making it a fit critical metering component when you are correcting poor cooling, coil icing, or improper refrigerant feed after diagnosing the system. Because TXVs must match the refrigerant, tonnage, and exact Bard application, confirm unit model and serial compatibility in the Bard parts list before ordering, and have installation performed by a qualified technician using proper brazing and evacuation practices.
- Technical Specifications
- Product number: 5651-178BX
- Manufacturer description: Expansion Valve 3/8" X 3/8" Boxed
- Weight: 1.000 lbs
- HTS Code: "8481.80.9090"
- Previous Versions
- 5651-178 (Obsolete, superseded by 5651-178BX)
$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.