Description
Rheem-Ruud 47-25334-01 General Purpose Temperature Limit Switch
The Rheem-Ruud 47-25334-01 is an OEM general purpose temperature limit switch engineered to protect HVAC equipment from overheating conditions. Featuring a fixed-temperature SPST normally closed (NC) configuration with automatic reset, this limit switch provides dependable, hands-free protection — automatically restoring circuit continuity once temperatures return to a safe operating range. It is a direct OEM replacement designed to maintain the performance and safety standards of Rheem and Ruud heating systems.
Key Specifications
- Fixed Close Temperature: 125°F
- Fixed Open Temperature: 145°F
- Switch Type: SPST (Single Pole, Single Throw)
- Switch Configuration: Normally Closed (NC)
- Reset Type: Automatic (Auto Reset)
- Application: General Purpose Limit Switch
- OEM Part Number: 47-25334-01
- Compatible Brands: Rheem, Ruud
How It Works
This limit switch monitors equipment temperature continuously. Under normal operating conditions, the SPST normally closed contacts remain closed, allowing the control circuit to function. If the temperature rises to the fixed open threshold of 145°F, the switch opens the circuit, shutting down the heating element or burner to prevent damage. Once temperatures fall back to 125°F, the auto reset function automatically closes the contacts and restores normal operation — no manual intervention required.
Applications
- Rheem and Ruud gas and electric furnaces
- Residential and light commercial heating systems
- Air handler units and heat exchangers
- General purpose HVAC overheat protection circuits
Why Choose the Rheem-Ruud 47-25334-01
- Direct OEM replacement for guaranteed fit and function
- Auto reset eliminates manual reset service calls
- Fixed-temperature operation ensures consistent, repeatable protection
- Normally closed design maintains circuit integrity under normal conditions
- Built to Rheem-Ruud quality standards for long service life
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