Rheem-Ruud 47-20045-03 130F CO AUTO Limit Switch

The Rheem-Ruud 47-20045-03 is a 130°F automatic limit switch designed for use in residential and commercial HVAC systems. This safety control component monitors temperature levels and automatically cuts power to the heating system when temperatures exceed safe operating limits, protecting the equipment from overheating damage.

Key Features:

• 130°F temperature rating for precise safety control
• Automatic reset functionality for convenient operation
• CO (combination) type design for versatile applications
• Direct OEM replacement part for Rheem and Ruud equipment
• Durable construction for long-lasting performance

This limit switch is commonly used in gas furnaces, air handlers, and heat pumps as a critical safety device. The automatic reset feature allows the system to resume normal operation once temperatures return to safe levels, eliminating the need for manual intervention. Installation should be performed by a qualified HVAC technician in accordance with manufacturer specifications and local codes.