Lennox 50A93 Thermostat
The Lennox 50A93 Freeze Thermostat is a critical safety component designed for HVAC freeze protection in residential and commercial cooling systems. Engineered for high-reliability monitoring, this 5/8" freeze stat features a fixed temperature setting calibrated to detect low-temperature conditions within the evaporator coil. By integrating this HVAC limit switch into the control circuit, technicians can prevent catastrophic slugging of the compressor and mitigate ice build-up that leads to airflow restriction and system failure. This Lennox replacement part is built for durability in high-moisture environments, ensuring consistent mechanical feedback to the control board. For contractors performing AC troubleshooting or preventive maintenance, verifying the thermal continuity of the 50A93 is essential for maintaining system integrity during low-ambient operation. Its compact 5/8-inch diameter allows for precise surface mounting on copper headers, providing the rapid thermal response necessary to interrupt the 24V cooling signal before coil damage occurs.
Key Benefits- System Integrity: Prevents evaporator coil icing and subsequent liquid refrigerant migration to the compressor.
- Technical Precision: Factory-calibrated thermal response setpoint specifically for Lennox HVAC systems.
- Durable Construction: Moisture-resistant housing designed for the harsh environment of a cooling coil cabinet.
- Simplified Installation: Standard 5/8" clip-on design allows for secure attachment to refrigerant piping.
What causes a freeze thermostat to trip in a Lennox system?
A trip is typically triggered by restricted airflow due to dirty filters, a failing blower motor, or low refrigerant charge causing the coil temperature to drop below the safety threshold.
Can the 50A93 be used on non-Lennox equipment?
While designed for Lennox specifications, this universal refrigeration freeze stat can be adapted to any system requiring a 5/8" pipe-mount thermal limit, provided the electrical ratings match the control circuit.
Does this part require manual resetting?
The 50A93 is an automatic reset switch that closes the circuit once the sensed temperature rises back above the differential reset point, allowing the system to resume normal cooling 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: $152.33
-65%$152.33
$53.32Lennox 50A93 Thermostat
The Lennox 50A93 Freeze Thermostat is a critical safety component designed for HVAC freeze protection in residential and commercial cooling systems. Engineered for high-reliability monitoring, this 5/8" freeze stat features a fixed temperature setting calibrated to detect low-temperature conditions within the evaporator coil. By integrating this HVAC limit switch into the control circuit, technicians can prevent catastrophic slugging of the compressor and mitigate ice build-up that leads to airflow restriction and system failure. This Lennox replacement part is built for durability in high-moisture environments, ensuring consistent mechanical feedback to the control board. For contractors performing AC troubleshooting or preventive maintenance, verifying the thermal continuity of the 50A93 is essential for maintaining system integrity during low-ambient operation. Its compact 5/8-inch diameter allows for precise surface mounting on copper headers, providing the rapid thermal response necessary to interrupt the 24V cooling signal before coil damage occurs.
Key Benefits- System Integrity: Prevents evaporator coil icing and subsequent liquid refrigerant migration to the compressor.
- Technical Precision: Factory-calibrated thermal response setpoint specifically for Lennox HVAC systems.
- Durable Construction: Moisture-resistant housing designed for the harsh environment of a cooling coil cabinet.
- Simplified Installation: Standard 5/8" clip-on design allows for secure attachment to refrigerant piping.
What causes a freeze thermostat to trip in a Lennox system?
A trip is typically triggered by restricted airflow due to dirty filters, a failing blower motor, or low refrigerant charge causing the coil temperature to drop below the safety threshold.
Can the 50A93 be used on non-Lennox equipment?
While designed for Lennox specifications, this universal refrigeration freeze stat can be adapted to any system requiring a 5/8" pipe-mount thermal limit, provided the electrical ratings match the control circuit.
Does this part require manual resetting?
The 50A93 is an automatic reset switch that closes the circuit once the sensed temperature rises back above the differential reset point, allowing the system to resume normal cooling 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.
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Description
The Lennox 50A93 Freeze Thermostat is a critical safety component designed for HVAC freeze protection in residential and commercial cooling systems. Engineered for high-reliability monitoring, this 5/8" freeze stat features a fixed temperature setting calibrated to detect low-temperature conditions within the evaporator coil. By integrating this HVAC limit switch into the control circuit, technicians can prevent catastrophic slugging of the compressor and mitigate ice build-up that leads to airflow restriction and system failure. This Lennox replacement part is built for durability in high-moisture environments, ensuring consistent mechanical feedback to the control board. For contractors performing AC troubleshooting or preventive maintenance, verifying the thermal continuity of the 50A93 is essential for maintaining system integrity during low-ambient operation. Its compact 5/8-inch diameter allows for precise surface mounting on copper headers, providing the rapid thermal response necessary to interrupt the 24V cooling signal before coil damage occurs.
Key Benefits- System Integrity: Prevents evaporator coil icing and subsequent liquid refrigerant migration to the compressor.
- Technical Precision: Factory-calibrated thermal response setpoint specifically for Lennox HVAC systems.
- Durable Construction: Moisture-resistant housing designed for the harsh environment of a cooling coil cabinet.
- Simplified Installation: Standard 5/8" clip-on design allows for secure attachment to refrigerant piping.
What causes a freeze thermostat to trip in a Lennox system?
A trip is typically triggered by restricted airflow due to dirty filters, a failing blower motor, or low refrigerant charge causing the coil temperature to drop below the safety threshold.
Can the 50A93 be used on non-Lennox equipment?
While designed for Lennox specifications, this universal refrigeration freeze stat can be adapted to any system requiring a 5/8" pipe-mount thermal limit, provided the electrical ratings match the control circuit.
Does this part require manual resetting?
The 50A93 is an automatic reset switch that closes the circuit once the sensed temperature rises back above the differential reset point, allowing the system to resume normal cooling 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.
