Description
Rheem-Ruud 47-25350-13 Board Mounted General Purpose Limit Switch
The Rheem-Ruud 47-25350-13 is an OEM-grade, board-mounted general purpose limit switch engineered for precise temperature protection in Rheem and Ruud heating systems. Color-coded in blue and yellow for easy identification during installation and service, this limit switch provides reliable over-temperature safeguarding to protect heat exchangers and system components from damage.
Key Specifications
- Fixed Open (Trip) Temperature: 130°F
- Fixed Close (Reset) Temperature: 110°F
- Switch Type: SPST (Single Pole, Single Throw) Normally Closed
- Reset Type: Auto Reset
- Insertion Length: 3 inches
- Mounting Style: Board Mounted
- Color Coding: Blue/Yellow
- OEM Part Number: 47-25350-13
- Compatible Brands: Rheem, Ruud
Product Features & Benefits
- Normally closed SPST design opens the circuit at 130°F to interrupt operation and prevent overheating
- Auto reset function automatically restores the circuit once temperatures drop back to 110°F — no manual intervention required
- 3″ insertion length ensures accurate sensing within the airstream or heat exchanger cavity
- Board-mounted configuration allows for clean, secure installation directly onto the furnace control board assembly
- Blue/yellow color coding simplifies identification and reduces wiring errors during installation or replacement
- Direct OEM replacement ensures proper fit and function in compatible Rheem and Ruud equipment
Application
Designed as a direct OEM replacement for compatible Rheem and Ruud furnaces and air handlers, this limit switch monitors supply air or heat exchanger temperatures and protects the system against unsafe temperature conditions. The auto-reset feature makes it ideal for applications where nuisance lockouts must be minimized while still maintaining critical safety protection.
Installation Notes
- Always verify compatibility with your specific Rheem or Ruud model before installation
- Ensure power is disconnected before replacing any limit switch
- Match insertion length and mounting style to original equipment specifications
- Refer to the equipment service manual for proper wiring and torque requirements
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