Description
The Rheem-Ruud 47-20045-06 is an OEM temperature control limit switch engineered for reliable overheat protection in Rheem and Ruud heating systems. With fixed operating temperatures and an auto reset design, this switch provides dependable, hands-free protection that automatically restores system operation once safe temperatures are reached.
Key Features
- Fixed close temperature: 90°F — switch closes circuit at or below this temperature
- Fixed open temperature: 130°F — switch opens circuit to protect against overheating
- DPST (Double Pole Single Throw) normally closed switch configuration
- Auto reset functionality — automatically resets when temperature returns to safe range
- Red color coding for quick visual identification during installation and service
- OEM replacement part designed for Rheem and Ruud equipment
Product Specifications
- Part Number: 47-20045-06
- Brand: Rheem-Ruud
- Switch Type: DPST (Double Pole Single Throw)
- Normal Switch State: Normally Closed
- Fixed Close Temperature: 90°F
- Fixed Open Temperature: 130°F
- Reset Type: Auto Reset
- Color Code: Red
Application
This limit switch is a direct OEM replacement for Rheem and Ruud heating equipment. It is designed to interrupt the circuit when temperatures exceed the 130°F threshold, safeguarding heat exchangers, burner assemblies, and other critical components from thermal damage. The auto reset feature eliminates the need for manual intervention after a trip event, reducing service calls and downtime. The red color coding ensures fast identification among multiple limit switches in a control panel or furnace assembly.
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