Rheem-Ruud 47-19554-07 General Purpose Limit Switch Overview
The Rheem-Ruud 47-19554-07 is a factory-engineered general purpose limit switch designed for reliable temperature control in residential and light commercial HVAC applications. Color-coded red for quick field identification, this auto-reset switch provides dependable overheat protection and system safety across a wide range of furnace and air handler installations.
Key Specifications
- Fixed Close Temperature: 120°F
- Fixed Open Temperature: 160°F
- Switch Type: SPST (Single Pole, Single Throw) Normally Closed
- Reset Type: Auto Reset
- Color Code: Red
- Application: General Purpose Limit Switch
- Compatible Brand: Rheem / Ruud
- Part Number: 47-19554-07
Features & Benefits
- Fixed temperature setpoints eliminate field calibration — no guesswork, no drift
- Auto reset functionality restores normal operation once temperatures return to safe levels, reducing service calls
- SPST normally closed design opens the circuit on overtemperature, cutting power to the burner or heating element for fail-safe protection
- Red color coding allows technicians to quickly identify and verify the correct limit switch during installation and service
- OEM Rheem-Ruud part ensures proper fit and performance in compatible systems
- Compact, durable construction built to withstand the thermal cycling demands of residential and commercial HVAC equipment
Typical Applications
- Rheem and Ruud gas furnaces and air handlers
- Overheat protection on heat exchangers and supply air plenums
- High-limit safety control in forced-air heating systems
