Description
Rheem-Ruud General Purpose Limit Switch — 47-19554-89
The Rheem-Ruud 47-19554-89 is an OEM general purpose limit switch engineered for precise temperature control and equipment protection in heating systems. Color-coded red for quick field identification, this auto-reset switch is a reliable replacement component designed to meet original equipment specifications.
Key Features
- Fixed Close Temperature: 140°F — switch closes circuit at or below this setpoint
- Fixed Open Temperature: 180°F — switch opens circuit to interrupt operation at this high-limit setpoint
- SPST (Single Pole Single Throw) Normally Closed configuration for standard limit control applications
- Auto Reset — automatically restores circuit continuity once temperatures return to safe operating range
- Red color coding for fast, accurate identification during installation and service
- General purpose design suitable for a wide range of Rheem and Ruud heating equipment
- OEM replacement part — engineered to original factory specifications for reliable, long-term performance
Application
This limit switch is used in Rheem and Ruud furnaces and heating appliances to monitor operating temperatures and protect heat exchangers, burners, and other critical components from overheating. When the air temperature reaches the 180°F open setpoint, the switch interrupts the circuit to shut down the burner or heating element. Once temperatures drop back to the 140°F close setpoint, the auto-reset function restores normal operation without manual intervention.
Specifications
- Part Number: 47-19554-89
- Brand: Rheem-Ruud
- Switch Type: SPST Normally Closed
- Fixed Close Temperature: 140°F
- Fixed Open Temperature: 180°F
- Reset Type: Auto Reset
- Color Code: Red
- Application: General Purpose Limit Switch
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