Description
The Rheem-Ruud 425071 is a normally closed (NC) limit switch designed as a genuine OEM replacement for Rheem and Ruud heating equipment. This safety control device plays a critical role in protecting your furnace or air handler from overheating conditions by monitoring internal temperatures and interrupting the circuit when unsafe levels are detected.
How It Works
This limit switch operates in a normally closed (NC) configuration. Under normal operating conditions, the switch remains closed, allowing the heating circuit to function. When temperatures rise beyond the safe threshold, the switch opens to cut power to the burner or heating element, preventing equipment damage and potential safety hazards. Once temperatures return to the safe range, the switch closes again to restore normal operation.
Key Features
- Normally Closed (NC) configuration for reliable overheat protection
- Closes at 125°F to re-engage the heating circuit
- Genuine Rheem-Ruud OEM replacement part
- Designed for precise, dependable temperature-activated switching
- Helps prevent equipment damage caused by overheating
- Direct drop-in replacement for compatible Rheem and Ruud systems
Applications
- Rheem and Ruud gas furnaces
- Rheem and Ruud air handlers and heating equipment
- Residential and light commercial HVAC systems
Specifications
- SKU / Part Number: 425071
- Brand: Rheem-Ruud
- Switch Type: Normally Closed (NC) Limit Switch
- Close Temperature: 125°F
Keep your Rheem or Ruud heating system operating safely and efficiently with this OEM-quality limit switch. Always verify compatibility with your specific equipment model before installation.







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