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Bard 5651-257BX - Hot gas bypass valve
The Bard 5651-257BX Hot Gas Bypass Valve (boxed) is an OEM refrigerant control component used on certain Bard wall mount HVAC systems to regulate bypass flow during low load conditions, helping stabilize suction pressure and reduce coil icing while maintaining more consistent comfort. When a hot gas bypass valve sticks, leaks, or will not regulate correctly, it can contribute to poor capacity control, erratic pressures, and nuisance freeze ups, so replacing it with the correct Bard factory part is the safest way to restore proper operation and keep the refrigeration circuit matched to the unit’s design. Confirm compatibility by model and serial number before ordering, since hot gas bypass selections are specific to refrigerant type and system configuration.
- Technical Specifications
- Product number: 5651-257BX
- Manufacturer description: Hot Gas Bypass Valve - Boxed
- HTS Code: "8415.90.8085"
- Previous Versions
- 5651-257 (Obsolete, superseded by 5651-257BX)
$328.00
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.