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Bard 8406-086BX - SPDT pressure switch, 0.35 in. WC
Bard 8406-086BX is an OEM SPDT air pressure switch set for 0.35 in. w.c. (water column), used to verify proper airflow or draft conditions before allowing the unit to operate normally. On Bard wall-mount and package equipment, this switch helps protect the system by signaling the control circuit when the required pressure is present, which supports safe, reliable heating or ventilation operation depending on the model. If you are chasing nuisance lockouts, proving issues, or intermittent operation tied to airflow, replacing a weak or drifting switch with the correct Bard 8406-086BX is the right way to restore factory function and ensure proper fit and wiring at the terminals.
- Technical Specifications
- Product number: 8406-086BX
- Manufacturer description: Pressure Switch - Boxed .35"W.C.+/-.05
- Weight: 0.300 lbs
- HTS Code: "8536.50.9090"
- Previous Versions
- 8406-086 (Obsolete, superseded by 8406-086BX)
- 8406-052 (Obsolete, superseded by 8406-086)
- 8406-073 (Obsolete, superseded by 8406-086)
- 8406-039 (Obsolete, superseded by 8406-073)
- 8406-043 (Obsolete, superseded by 8406-073)
$63.00
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.