Description
Rheem-Ruud 47-23113-05 General Purpose Limit Switch Overview
The Rheem-Ruud 47-23113-05 is an OEM general purpose temperature limit switch engineered for precise, reliable overheat protection in furnaces and heating systems. Color-coded red for quick field identification, this auto-reset switch provides automatic recovery once safe operating temperatures are restored — eliminating the need for manual intervention after a nuisance trip.
Key Specifications
- Fixed Close Temperature: 110°F
- Fixed Open Temperature: 190°F
- Switch Type: SPST (Single-Pole, Single-Throw), Normally Closed
- Reset Type: Auto Reset
- Color Code: Red
- Application: General Purpose Limit Switch
- Compatible Brand: Rheem / Ruud
- Part Number: 47-23113-05
How It Works
This normally closed (NC) SPST limit switch remains closed under normal operating conditions, allowing the heating circuit to function. When the sensed temperature reaches the fixed open setpoint of 190°F, the switch opens and interrupts the circuit to protect the system from overheating. Once temperatures drop back to the fixed close setpoint of 110°F, the auto-reset function automatically restores the circuit — keeping downtime to a minimum.
Application & Compatibility
- Designed as a direct OEM replacement for Rheem and Ruud heating equipment
- Ideal for furnace high-limit and overheat protection applications
- Red color coding enables fast visual identification during installation and service
- Auto-reset operation reduces service callbacks and manual resets
Why Choose the Rheem-Ruud 47-23113-05?
Using genuine OEM replacement parts like the 47-23113-05 ensures your Rheem or Ruud heating system operates within factory-specified temperature parameters. The fixed-temperature design eliminates calibration drift, and the auto-reset feature supports efficient system recovery after a thermal event — making this limit switch a dependable choice for HVAC technicians and service professionals.
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