Description
The Sterling HVAC J11R02683 is an automatic-reset limit switch engineered to protect heating equipment from unsafe operating temperatures. Designed for use in furnaces and other forced-air heating systems, this limit switch monitors supply-air or heat exchanger temperatures and interrupts the burner or heating circuit whenever temperatures exceed the safe operating threshold — then automatically resets once conditions return to normal.
Key Features
- Temperature range: 140°F to 180°F
- AUTO (automatic) reset operation — no manual intervention required after the over-temperature condition clears
- Provides reliable overheat protection for furnaces and forced-air heating systems
- Direct OEM replacement for compatible Sterling HVAC equipment
- Durable construction built to withstand demanding HVAC operating environments
How It Works
The limit switch continuously monitors system temperature. If the temperature rises above the set point within the 140–180°F range, the switch opens the circuit to shut down the heat source, preventing equipment damage or fire hazard. Once the temperature drops back to a safe level, the AUTO reset function automatically closes the circuit, restoring normal operation without requiring a manual reset.
Application
- Sterling HVAC furnaces and heating units
- Forced-air heating systems requiring automatic over-temperature protection
- OEM service and replacement applications
Specifications
- Brand: Sterling HVAC
- Part Number: J11R02683
- Temperature Range: 140°F – 180°F
- Reset Type: AUTO (Automatic)
- Switch Type: Limit Switch
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