
Bard HVAC 8408-039BX Stat
The Bard HVAC 8408-039BX Stat is a high-precision L250-50F discharge line thermostat engineered for heavy-duty commercial and wall-mount equipment. As the direct replacement for 8408-039, this OEM component is critical for monitoring compressor discharge temperatures to prevent high-head pressure events and thermal overload. Designed with a specific L250-50F setpoint, the switch opens at 250°F and automatically resets at 200°F (50°F differential), ensuring the refrigeration circuit remains within safe operational parameters. This HVAC discharge line stat features a Single Pole Single Throw (SPST) configuration and is typically utilized in Bard’s W-series and T-series wall-mount heat pumps. Its compact, boxed design allows for efficient installation on the compressor discharge pipe using standard mounting clips. By providing accurate temperature sensing, the 8408-039BX protects the compressor from oil breakdown and mechanical failure caused by excessive heat. For technicians performing Bard HVAC maintenance, verifying the discharge line temperature range with this OEM Bard replacement part is essential for restoring factory-standard safety controls and system reliability.
Key Benefits:
- Direct OEM Compatibility: Serves as the factory-authorized direct replacement for 8408-039, ensuring exact fit and terminal alignment.
- Critical Compressor Protection: Monitors discharge line temperature to trigger safety shutdowns before overheating causes permanent compressor damage.
- Precision Calibration: Pre-set L250-50F operation provides a reliable 250°F cutout with a 50°F differential for consistent cycling.
- Reliable Construction: Built to withstand high-vibration environments typical of industrial HVAC systems and wall-mounted units.
Common Questions:
How do I know if my discharge line thermostat is failing?
A failing stat often causes nuisance trips or "lockout" codes on the control board. If the compressor won't start despite normal pressures, check for continuity across the 8408-039BX terminals when the line is cool.
Is the 8408-039BX interchangeable with other L250 stats?
While the temperature rating may match other brands, this Bard 8408-039BX Stat is specifically designed for the mounting geometry and electrical specs of Bard wall-mount equipment. Sticking with OEM HVAC sensors prevents mounting issues in the field.
What causes a discharge line stat to trip?
Tripping is usually caused by low refrigerant charge, restricted airflow, or a failing expansion valve. If your L250-50F Discharge Line Stat is opening, investigate the system for high superheat or mechanical restrictions immediately.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $62.68
-65%$62.68
$21.94Bard HVAC 8408-039BX Stat
The Bard HVAC 8408-039BX Stat is a high-precision L250-50F discharge line thermostat engineered for heavy-duty commercial and wall-mount equipment. As the direct replacement for 8408-039, this OEM component is critical for monitoring compressor discharge temperatures to prevent high-head pressure events and thermal overload. Designed with a specific L250-50F setpoint, the switch opens at 250°F and automatically resets at 200°F (50°F differential), ensuring the refrigeration circuit remains within safe operational parameters. This HVAC discharge line stat features a Single Pole Single Throw (SPST) configuration and is typically utilized in Bard’s W-series and T-series wall-mount heat pumps. Its compact, boxed design allows for efficient installation on the compressor discharge pipe using standard mounting clips. By providing accurate temperature sensing, the 8408-039BX protects the compressor from oil breakdown and mechanical failure caused by excessive heat. For technicians performing Bard HVAC maintenance, verifying the discharge line temperature range with this OEM Bard replacement part is essential for restoring factory-standard safety controls and system reliability.
Key Benefits:
- Direct OEM Compatibility: Serves as the factory-authorized direct replacement for 8408-039, ensuring exact fit and terminal alignment.
- Critical Compressor Protection: Monitors discharge line temperature to trigger safety shutdowns before overheating causes permanent compressor damage.
- Precision Calibration: Pre-set L250-50F operation provides a reliable 250°F cutout with a 50°F differential for consistent cycling.
- Reliable Construction: Built to withstand high-vibration environments typical of industrial HVAC systems and wall-mounted units.
Common Questions:
How do I know if my discharge line thermostat is failing?
A failing stat often causes nuisance trips or "lockout" codes on the control board. If the compressor won't start despite normal pressures, check for continuity across the 8408-039BX terminals when the line is cool.
Is the 8408-039BX interchangeable with other L250 stats?
While the temperature rating may match other brands, this Bard 8408-039BX Stat is specifically designed for the mounting geometry and electrical specs of Bard wall-mount equipment. Sticking with OEM HVAC sensors prevents mounting issues in the field.
What causes a discharge line stat to trip?
Tripping is usually caused by low refrigerant charge, restricted airflow, or a failing expansion valve. If your L250-50F Discharge Line Stat is opening, investigate the system for high superheat or mechanical restrictions immediately.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
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Description
The Bard HVAC 8408-039BX Stat is a high-precision L250-50F discharge line thermostat engineered for heavy-duty commercial and wall-mount equipment. As the direct replacement for 8408-039, this OEM component is critical for monitoring compressor discharge temperatures to prevent high-head pressure events and thermal overload. Designed with a specific L250-50F setpoint, the switch opens at 250°F and automatically resets at 200°F (50°F differential), ensuring the refrigeration circuit remains within safe operational parameters. This HVAC discharge line stat features a Single Pole Single Throw (SPST) configuration and is typically utilized in Bard’s W-series and T-series wall-mount heat pumps. Its compact, boxed design allows for efficient installation on the compressor discharge pipe using standard mounting clips. By providing accurate temperature sensing, the 8408-039BX protects the compressor from oil breakdown and mechanical failure caused by excessive heat. For technicians performing Bard HVAC maintenance, verifying the discharge line temperature range with this OEM Bard replacement part is essential for restoring factory-standard safety controls and system reliability.
Key Benefits:
- Direct OEM Compatibility: Serves as the factory-authorized direct replacement for 8408-039, ensuring exact fit and terminal alignment.
- Critical Compressor Protection: Monitors discharge line temperature to trigger safety shutdowns before overheating causes permanent compressor damage.
- Precision Calibration: Pre-set L250-50F operation provides a reliable 250°F cutout with a 50°F differential for consistent cycling.
- Reliable Construction: Built to withstand high-vibration environments typical of industrial HVAC systems and wall-mounted units.
Common Questions:
How do I know if my discharge line thermostat is failing?
A failing stat often causes nuisance trips or "lockout" codes on the control board. If the compressor won't start despite normal pressures, check for continuity across the 8408-039BX terminals when the line is cool.
Is the 8408-039BX interchangeable with other L250 stats?
While the temperature rating may match other brands, this Bard 8408-039BX Stat is specifically designed for the mounting geometry and electrical specs of Bard wall-mount equipment. Sticking with OEM HVAC sensors prevents mounting issues in the field.
What causes a discharge line stat to trip?
Tripping is usually caused by low refrigerant charge, restricted airflow, or a failing expansion valve. If your L250-50F Discharge Line Stat is opening, investigate the system for high superheat or mechanical restrictions immediately.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.












