Description
The Rheem-Ruud 47-25350-04 is an OEM general purpose limit switch engineered for precise temperature-based protection in Rheem and Ruud heating systems. Featuring fixed open and close temperature setpoints, this board-mounted switch automatically resets once safe operating temperatures are restored, minimizing downtime and service calls.
Key Features
- Fixed Open Temperature: 140°F — interrupts the circuit when this threshold is exceeded
- Fixed Close Temperature: 120°F — automatically resets and restores the circuit once temperatures drop to this level
- Switch Type: SPST (Single Pole, Single Throw) Normally Closed — opens on temperature rise
- Auto Reset operation — no manual intervention required after a trip event
- 3″ Insertion Length — designed for accurate sensing within the airstream or heat exchanger cavity
- Board Mounted design for secure, vibration-resistant installation
- Black/Black color-coded leads for straightforward wiring identification
- OEM replacement part for Rheem and Ruud furnaces and air handlers
Application
This limit switch serves as a critical safety component in Rheem and Ruud HVAC equipment. It monitors supply air or heat exchanger temperatures and opens the control circuit if overheating is detected, protecting the heat exchanger, blower motor, and other components from thermal damage. The auto-reset feature restores normal operation once temperatures return to the safe range, making it ideal for residential and light commercial furnace applications.
Specifications
- Brand: Rheem-Ruud
- Part Number: 47-25350-04
- Fixed Open Temperature: 140°F
- Fixed Close Temperature: 120°F
- Switch Configuration: SPST Normally Closed
- Reset Type: Auto Reset
- Insertion Length: 3″
- Mounting Style: Board Mounted
- Color Code: Black/Black
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