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Bard 8406-129BX - Auto reset low pressure switch
The Bard 8406-129BX low pressure switch is an OEM auto reset safety control used in Bard wall mount air conditioners and heat pump systems to protect the sealed refrigerant circuit during low suction pressure conditions. When suction pressure drops below the switch setting, it opens the control circuit to stop operation and help prevent compressor damage from issues like loss of charge, airflow problems, or coil icing, then automatically resets when conditions return to normal. This boxed switch is a direct replacement intended to restore proper factory safety operation, and it is best practice to confirm the exact part number match against your unit model and service literature before ordering.
- Technical Specifications
- Product number: 8406-129BX
- Manufacturer description: Low Pressure Swt. - Boxed Auto Reset
- HTS Code: "8415.90.8085"
- Previous Versions
- 8406-129 (Obsolete, superseded by 8406-129BX)
$43.00 *
* Orders less than $50 may incure a minimum order fee.
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.