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Bard 8406-158BX - Low Pressure Transducer
The Bard 8406-158BX low pressure transducer is an OEM pressure sensor used on Bard WH Series variable speed wall mount heat pump equipment to monitor low side refrigerant pressure and report it back to the control system as a 0.5 to 4.5 V signal. When a transducer drifts out of range or fails, it can trigger pressure related faults, cause erratic operation, or prevent the unit from running, so replacing it with the correct Bard part helps restore proper diagnostics and stable inverter operation. This sensor is rated for 0 to 250 psi and is intended to match Bard specifications for fit, sealing, and electrical output, which is critical when servicing modern wall mounted Bard systems.
- Technical Specifications
- Product number: 8406-158BX
- Manufacturer description: Low Press Transducer - Boxed Blue
- Weight: 0.250 lbs
- HTS Code: "8415.90.8085"
- Previous Versions
- 8406-158 (Obsolete, superseded by 8406-158BX)
- 8406-153 (Obsolete, superseded by 8406-158)
$102.00
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.