Rheem-Ruud 47-23118-01 Auto Reset Limit Switch Flanged Airstream

The Rheem-Ruud 47-23118-01 is an automatic reset limit switch designed for HVAC applications. This flanged airstream-style safety control monitors temperature within the heating system and automatically interrupts operation when unsafe temperature levels are detected.

Key Features:

• Auto-reset functionality eliminates need for manual intervention after fault condition clears
• Flanged airstream design mounts directly in the airflow path for accurate temperature sensing
• Factory-calibrated temperature setpoint ensures reliable overheat protection
• Direct OEM replacement part for Rheem and Ruud furnaces and heating equipment
• Durable construction designed for long service life in residential and commercial applications

This limit switch serves as a critical safety component, protecting the heat exchanger and system components from damage due to excessive temperatures caused by restricted airflow, blower failure, or other system malfunctions. The automatic reset feature allows the system to resume normal operation once temperatures return to safe levels.