Rheem-Ruud 47-21900-06 Limit Switch Manual Reset 180°F

The Rheem-Ruud 47-21900-06 Limit Switch is a safety component that is inherent in heating and ventilating and air conditioning systems in order to prevent overheating and proper working. It is a manual reset limit switch which operates at 60 Hz frequency and is fitted with a 180°F cut-off temperature. It functions in a similar manner by monitoring the temperatures inside the HVAC and shuts off the power in the event that it hits the set high limit of 180°F. The 47-21900-06 limit switch as highlighted usually used in furnaces, heat pumps and all heating equipment it helps in protection from overheating which might sometimes affect equipments or be dangerous to use. To avoid overheating when the temperature top the predefined limit of 180°F.