Description
Rheem-Ruud 47-100543-04 Automatic Reset Low Limit Switch
The Rheem-Ruud 47-100543-04 is an OEM automatic reset (A/R) low number limit switch engineered to protect heating and cooling systems from operating outside safe low-temperature thresholds. Designed as a direct replacement for compatible Rheem and Ruud equipment, this limit switch provides reliable, automatic protection without requiring manual intervention after a trip event.
How It Works
This low limit control monitors system temperatures and opens the circuit when temperatures drop to the specified low setpoint, interrupting operation to prevent equipment damage or unsafe conditions. Once temperatures recover to the close setpoint, the switch automatically resets and restores normal system operation — no manual reset required.
Key Specifications
- Part Number: 47-100543-04
- Control Type: Automatic Reset (A/R) Low Limit Switch
- Open Setpoint: 7°F
- Close Setpoint: 22°F
- OEM Replacement for Rheem / Ruud Equipment
Features & Benefits
- Automatic reset operation eliminates the need for manual reset after a trip event
- Precise low-temperature setpoints (7°F open / 22°F close) protect system components
- Genuine Rheem-Ruud OEM part ensures proper fit and reliable performance
- Helps prevent equipment damage caused by low-temperature operating conditions
- Direct drop-in replacement for compatible Rheem and Ruud systems
Application
This low limit switch is intended for use in Rheem and Ruud HVAC systems where low-temperature protection is required. Always consult your equipment’s service manual or a qualified HVAC technician to confirm compatibility before installation.
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