
Carrier 338096-702 Limit Switch
The Carrier 338096-702 Limit Switch is a critical high-limit safety component designed specifically for Carrier, Bryant, and Payne heating systems. As a genuine OEM replacement part, this L170-20F limit switch is engineered to monitor heat exchanger temperatures, effectively preventing overheating conditions by interrupting the electrical circuit when the internal temperature exceeds 170°F. This specific model features an automatic reset mechanism that restores the circuit once the temperature drops by approximately 20°F, ensuring continuous system protection without requiring manual intervention from the end-user.
For field technicians, the Carrier 338096-702 acts as a direct 338096-702 replacement for 1184422, maintaining strict adherence to original factory specifications for fit and electrical response. Its SPST (Single Pole Single Throw) configuration and snap-action design provide the reliability needed in high-cycle residential furnace environments. Whether you are performing a routine service call or a critical emergency repair, utilizing factory authorized parts like this 170-degree limit control ensures the furnace operates within its designed safety parameters and prevents damage to expensive internal components like the heat exchanger or blower motor.
Key Benefits:- Precise Thermal Protection: Opens at exactly 170°F to prevent hazardous overheating conditions.
- Direct OEM Compatibility: Serves as the official 338096-702 replacement part for legacy number 1184422.
- Auto-Reset Functionality: Automatically re-engages the heating circuit once the unit cools by 20°F, minimizing nuisance service calls.
- Robust Construction: Built to withstand the high-temperature environment of a gas furnace heat exchanger.
- Standardized Fit: Compact design ensures plug-and-play installation in original mounting brackets across multiple Carrier and Bryant models.
What does the L170-20F rating mean on this switch?
The "L" stands for Limit. The "170" indicates the temperature in Fahrenheit at which the switch contacts will open (breaking the circuit). The "-20" indicates the temperature differential, meaning the switch will automatically close and reset once it cools down 20°F below the trip point.
Can I use this switch to replace a manual reset limit?
No. You must always replace a limit switch with the exact reset type specified by the manufacturer. This auto-reset limit switch is designed for specific furnace sequences; swapping it for a manual reset version can cause safety risks or system malfunctions.
Why does my furnace keep tripping this limit switch?
Repeated tripping usually indicates an airflow issue, such as a clogged filter, blocked return air ducts, or a failing blower motor. If the switch remains open or fails to reset, the replacement 338096-702 is required to restore safely automated operation.
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: $15.54
-65%$15.54
$5.44Carrier 338096-702 Limit Switch
The Carrier 338096-702 Limit Switch is a critical high-limit safety component designed specifically for Carrier, Bryant, and Payne heating systems. As a genuine OEM replacement part, this L170-20F limit switch is engineered to monitor heat exchanger temperatures, effectively preventing overheating conditions by interrupting the electrical circuit when the internal temperature exceeds 170°F. This specific model features an automatic reset mechanism that restores the circuit once the temperature drops by approximately 20°F, ensuring continuous system protection without requiring manual intervention from the end-user.
For field technicians, the Carrier 338096-702 acts as a direct 338096-702 replacement for 1184422, maintaining strict adherence to original factory specifications for fit and electrical response. Its SPST (Single Pole Single Throw) configuration and snap-action design provide the reliability needed in high-cycle residential furnace environments. Whether you are performing a routine service call or a critical emergency repair, utilizing factory authorized parts like this 170-degree limit control ensures the furnace operates within its designed safety parameters and prevents damage to expensive internal components like the heat exchanger or blower motor.
Key Benefits:- Precise Thermal Protection: Opens at exactly 170°F to prevent hazardous overheating conditions.
- Direct OEM Compatibility: Serves as the official 338096-702 replacement part for legacy number 1184422.
- Auto-Reset Functionality: Automatically re-engages the heating circuit once the unit cools by 20°F, minimizing nuisance service calls.
- Robust Construction: Built to withstand the high-temperature environment of a gas furnace heat exchanger.
- Standardized Fit: Compact design ensures plug-and-play installation in original mounting brackets across multiple Carrier and Bryant models.
What does the L170-20F rating mean on this switch?
The "L" stands for Limit. The "170" indicates the temperature in Fahrenheit at which the switch contacts will open (breaking the circuit). The "-20" indicates the temperature differential, meaning the switch will automatically close and reset once it cools down 20°F below the trip point.
Can I use this switch to replace a manual reset limit?
No. You must always replace a limit switch with the exact reset type specified by the manufacturer. This auto-reset limit switch is designed for specific furnace sequences; swapping it for a manual reset version can cause safety risks or system malfunctions.
Why does my furnace keep tripping this limit switch?
Repeated tripping usually indicates an airflow issue, such as a clogged filter, blocked return air ducts, or a failing blower motor. If the switch remains open or fails to reset, the replacement 338096-702 is required to restore safely automated operation.
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 338096-702 Limit Switch is a critical high-limit safety component designed specifically for Carrier, Bryant, and Payne heating systems. As a genuine OEM replacement part, this L170-20F limit switch is engineered to monitor heat exchanger temperatures, effectively preventing overheating conditions by interrupting the electrical circuit when the internal temperature exceeds 170°F. This specific model features an automatic reset mechanism that restores the circuit once the temperature drops by approximately 20°F, ensuring continuous system protection without requiring manual intervention from the end-user.
For field technicians, the Carrier 338096-702 acts as a direct 338096-702 replacement for 1184422, maintaining strict adherence to original factory specifications for fit and electrical response. Its SPST (Single Pole Single Throw) configuration and snap-action design provide the reliability needed in high-cycle residential furnace environments. Whether you are performing a routine service call or a critical emergency repair, utilizing factory authorized parts like this 170-degree limit control ensures the furnace operates within its designed safety parameters and prevents damage to expensive internal components like the heat exchanger or blower motor.
Key Benefits:- Precise Thermal Protection: Opens at exactly 170°F to prevent hazardous overheating conditions.
- Direct OEM Compatibility: Serves as the official 338096-702 replacement part for legacy number 1184422.
- Auto-Reset Functionality: Automatically re-engages the heating circuit once the unit cools by 20°F, minimizing nuisance service calls.
- Robust Construction: Built to withstand the high-temperature environment of a gas furnace heat exchanger.
- Standardized Fit: Compact design ensures plug-and-play installation in original mounting brackets across multiple Carrier and Bryant models.
What does the L170-20F rating mean on this switch?
The "L" stands for Limit. The "170" indicates the temperature in Fahrenheit at which the switch contacts will open (breaking the circuit). The "-20" indicates the temperature differential, meaning the switch will automatically close and reset once it cools down 20°F below the trip point.
Can I use this switch to replace a manual reset limit?
No. You must always replace a limit switch with the exact reset type specified by the manufacturer. This auto-reset limit switch is designed for specific furnace sequences; swapping it for a manual reset version can cause safety risks or system malfunctions.
Why does my furnace keep tripping this limit switch?
Repeated tripping usually indicates an airflow issue, such as a clogged filter, blocked return air ducts, or a failing blower motor. If the switch remains open or fails to reset, the replacement 338096-702 is required to restore safely automated operation.
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.












