
Carrier 110000272 Limit Switch
The Carrier 110000272 Limit Switch is a critical high-limit safety component engineered for precise thermal regulation in Carrier, Bryant, and Payne heating systems. This OEM replacement part is calibrated as an L165-40F limit switch, meaning the internal contacts are designed to open at 165°F to prevent heat exchanger damage and automatically reset once the temperature drops to 40°F. Featuring a robust snap-action mechanism and a double-break contact configuration, this switch ensures rapid electrical interruption and minimizes arcing for long-term reliability in demanding HVAC furnace safety applications. As a genuine Carrier factory authorized part, it maintains the specific safety tolerances required by the original equipment manufacturer, providing a direct-fit solution for technicians performing routine maintenance or emergency repairs on residential and commercial air handlers.
Key Benefits:
- Precise Thermal Calibration: Fixed 165 degree open and 40 degree close setpoints ensure accurate furnace high limit protection.
- Durable Construction: Built with high-grade industrial materials and a double-break contact design to handle inductive loads without premature failure.
- OEM Compatibility: Guaranteed fit for a wide range of Carrier HVAC equipment, eliminating the guesswork associated with universal aftermarket components.
- Enhanced Safety: Acts as a primary fail-safe against restricted airflow, dirty filters, or blower motor failures by interrupting the ignition circuit before overheating occurs.
Common Questions:
- What causes this limit switch to trip frequently? Repetitive cycling often points to restricted airflow, such as a clogged 16x25x1 furnace filter, blocked return ducts, or a failing indoor blower motor.
- Is the L165-40F a manual or automatic reset switch? This specific model is a fixed temperature automatic reset switch; however, if the system continues to overheat, the underlying cause must be addressed by a technician.
- Can I use a different temperature rating if this one isn't in stock? No. It is vital to use the exact 110000272 specification to ensure the furnace operates within its designed safety parameters and prevents heat exchanger cracking.
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.
Carrier 110000272 Limit Switch
The Carrier 110000272 Limit Switch is a critical high-limit safety component engineered for precise thermal regulation in Carrier, Bryant, and Payne heating systems. This OEM replacement part is calibrated as an L165-40F limit switch, meaning the internal contacts are designed to open at 165°F to prevent heat exchanger damage and automatically reset once the temperature drops to 40°F. Featuring a robust snap-action mechanism and a double-break contact configuration, this switch ensures rapid electrical interruption and minimizes arcing for long-term reliability in demanding HVAC furnace safety applications. As a genuine Carrier factory authorized part, it maintains the specific safety tolerances required by the original equipment manufacturer, providing a direct-fit solution for technicians performing routine maintenance or emergency repairs on residential and commercial air handlers.
Key Benefits:
- Precise Thermal Calibration: Fixed 165 degree open and 40 degree close setpoints ensure accurate furnace high limit protection.
- Durable Construction: Built with high-grade industrial materials and a double-break contact design to handle inductive loads without premature failure.
- OEM Compatibility: Guaranteed fit for a wide range of Carrier HVAC equipment, eliminating the guesswork associated with universal aftermarket components.
- Enhanced Safety: Acts as a primary fail-safe against restricted airflow, dirty filters, or blower motor failures by interrupting the ignition circuit before overheating occurs.
Common Questions:
- What causes this limit switch to trip frequently? Repetitive cycling often points to restricted airflow, such as a clogged 16x25x1 furnace filter, blocked return ducts, or a failing indoor blower motor.
- Is the L165-40F a manual or automatic reset switch? This specific model is a fixed temperature automatic reset switch; however, if the system continues to overheat, the underlying cause must be addressed by a technician.
- Can I use a different temperature rating if this one isn't in stock? No. It is vital to use the exact 110000272 specification to ensure the furnace operates within its designed safety parameters and prevents heat exchanger cracking.
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
Shipping & Returns
Shipping & Returns
Description
The Carrier 110000272 Limit Switch is a critical high-limit safety component engineered for precise thermal regulation in Carrier, Bryant, and Payne heating systems. This OEM replacement part is calibrated as an L165-40F limit switch, meaning the internal contacts are designed to open at 165°F to prevent heat exchanger damage and automatically reset once the temperature drops to 40°F. Featuring a robust snap-action mechanism and a double-break contact configuration, this switch ensures rapid electrical interruption and minimizes arcing for long-term reliability in demanding HVAC furnace safety applications. As a genuine Carrier factory authorized part, it maintains the specific safety tolerances required by the original equipment manufacturer, providing a direct-fit solution for technicians performing routine maintenance or emergency repairs on residential and commercial air handlers.
Key Benefits:
- Precise Thermal Calibration: Fixed 165 degree open and 40 degree close setpoints ensure accurate furnace high limit protection.
- Durable Construction: Built with high-grade industrial materials and a double-break contact design to handle inductive loads without premature failure.
- OEM Compatibility: Guaranteed fit for a wide range of Carrier HVAC equipment, eliminating the guesswork associated with universal aftermarket components.
- Enhanced Safety: Acts as a primary fail-safe against restricted airflow, dirty filters, or blower motor failures by interrupting the ignition circuit before overheating occurs.
Common Questions:
- What causes this limit switch to trip frequently? Repetitive cycling often points to restricted airflow, such as a clogged 16x25x1 furnace filter, blocked return ducts, or a failing indoor blower motor.
- Is the L165-40F a manual or automatic reset switch? This specific model is a fixed temperature automatic reset switch; however, if the system continues to overheat, the underlying cause must be addressed by a technician.
- Can I use a different temperature rating if this one isn't in stock? No. It is vital to use the exact 110000272 specification to ensure the furnace operates within its designed safety parameters and prevents heat exchanger cracking.
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.












