Rheem-Ruud 47-22860-02 Auto Limit Switch 100-110°F

The Rheem-Ruud 47-22860-02 Auto Limit Switch is an essentialprotection device that protects HVAC equipment against overheating. This small component is essentialif one is to have a smooth running system. The limit switch is powered using a 230 VAC supply voltage and therefore has a single pole single throw mechanism. It can be reset automatically when the temperature drops to a certain level that is already set. The switch is adjustable to open at 110 °F and close at 100°F to maintain the temperature. In this case, when the system temperature has gone high the limit switch just shuts off the power supply to the heating element and this is a harmless action. When the temperature drops to 100°F, the switch is safe to supply the power back and let the system run again.