
Lennox 98M69 Pressure Switch
The Lennox 98M69 High Pressure Switch is a critical safety component designed for high-performance HVAC systems, specifically engineered to monitor and regulate refrigerant pressures within the compressor circuit. This 410/210# pressure switch functions as a fail-safe, featuring a manual reset mechanism that trips at 410 PSI and allows for system restart once pressures stabilize at 210 PSI. It provides essential protection against catastrophic compressor failure caused by restricted airflow, condenser fan motor issues, or overcharging. Built for durability in demanding environments, this Lennox OEM replacement part ensures precise calibration and seamless integration with existing control boards.
Technical Specifications and Field Insights
- Cut-out Pressure: 410 PSI (High Limit)
- Cut-in Pressure: 210 PSI (Reset Point)
- Component Type: Automatic Cut-out with Manual Reset
- Compatibility: Optimized for Lennox heat pumps and air conditioning units across several model generations.
- Durability: Hermetically sealed construction to prevent moisture ingress and bridge corrosion.
Common Installation Questions
What causes this switch to trip frequently?
Frequent tripping usually indicates high head pressure resulting from a dirty condenser coil, a failing outdoor fan motor, or non-condensables in the refrigeration loop.
Can I bypass the 98M69 for troubleshooting?
While temporary bypassing can aid in diagnosis, the system should never be operated under load without a functional high pressure cutout switch as it risks permanent compressor damage.
Is this switch compatible with R-410A systems?
Yes, the 410 PSI threshold is specifically calibrated for the operating pressures of R-410A refrigerant cycles.
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: $24.36
-65%$24.36
$8.53Lennox 98M69 Pressure Switch
The Lennox 98M69 High Pressure Switch is a critical safety component designed for high-performance HVAC systems, specifically engineered to monitor and regulate refrigerant pressures within the compressor circuit. This 410/210# pressure switch functions as a fail-safe, featuring a manual reset mechanism that trips at 410 PSI and allows for system restart once pressures stabilize at 210 PSI. It provides essential protection against catastrophic compressor failure caused by restricted airflow, condenser fan motor issues, or overcharging. Built for durability in demanding environments, this Lennox OEM replacement part ensures precise calibration and seamless integration with existing control boards.
Technical Specifications and Field Insights
- Cut-out Pressure: 410 PSI (High Limit)
- Cut-in Pressure: 210 PSI (Reset Point)
- Component Type: Automatic Cut-out with Manual Reset
- Compatibility: Optimized for Lennox heat pumps and air conditioning units across several model generations.
- Durability: Hermetically sealed construction to prevent moisture ingress and bridge corrosion.
Common Installation Questions
What causes this switch to trip frequently?
Frequent tripping usually indicates high head pressure resulting from a dirty condenser coil, a failing outdoor fan motor, or non-condensables in the refrigeration loop.
Can I bypass the 98M69 for troubleshooting?
While temporary bypassing can aid in diagnosis, the system should never be operated under load without a functional high pressure cutout switch as it risks permanent compressor damage.
Is this switch compatible with R-410A systems?
Yes, the 410 PSI threshold is specifically calibrated for the operating pressures of R-410A refrigerant cycles.
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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Shipping & Returns
Description
The Lennox 98M69 High Pressure Switch is a critical safety component designed for high-performance HVAC systems, specifically engineered to monitor and regulate refrigerant pressures within the compressor circuit. This 410/210# pressure switch functions as a fail-safe, featuring a manual reset mechanism that trips at 410 PSI and allows for system restart once pressures stabilize at 210 PSI. It provides essential protection against catastrophic compressor failure caused by restricted airflow, condenser fan motor issues, or overcharging. Built for durability in demanding environments, this Lennox OEM replacement part ensures precise calibration and seamless integration with existing control boards.
Technical Specifications and Field Insights
- Cut-out Pressure: 410 PSI (High Limit)
- Cut-in Pressure: 210 PSI (Reset Point)
- Component Type: Automatic Cut-out with Manual Reset
- Compatibility: Optimized for Lennox heat pumps and air conditioning units across several model generations.
- Durability: Hermetically sealed construction to prevent moisture ingress and bridge corrosion.
Common Installation Questions
What causes this switch to trip frequently?
Frequent tripping usually indicates high head pressure resulting from a dirty condenser coil, a failing outdoor fan motor, or non-condensables in the refrigeration loop.
Can I bypass the 98M69 for troubleshooting?
While temporary bypassing can aid in diagnosis, the system should never be operated under load without a functional high pressure cutout switch as it risks permanent compressor damage.
Is this switch compatible with R-410A systems?
Yes, the 410 PSI threshold is specifically calibrated for the operating pressures of R-410A refrigerant cycles.
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.












