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Bard 8406-103BX - Pressure Switch
Bard part number 8406-103BX is an OEM pressure switch rated at 0.55 in. water column (plus or minus 0.05) used in Bard wall-mounted HVAC equipment to verify proper pressure conditions before allowing the system to operate. When a pressure switch is weak, stuck, or out of calibration, it can cause nuisance lockouts or prevent normal heating or cooling sequences, so replacing it with the correct factory switch helps restore reliable safeties and consistent run control. Match the rating and tubing/connection style to your unit and confirm compatibility by model and serial number before ordering, since pressure switch specifications are critical to safe operation.
- Technical Specifications
- Product number: 8406-103BX
- Manufacturer description: Pressure Switch - Boxed .55"+/-.05"
- Weight: 0.300 lbs
- HTS Code: "8415.90.8085"
- Previous Versions
- 8406-103 (Obsolete, superseded by 8406-103BX)
$57.00
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.