Carrier HH18HA465 Auto Limit Switch 100°F-165°F

The Carrier HH18HA465 is an automatic limit switch that is meant for Carrier HVAC equipment which is usually furnaces or air handlers. A small but essentialsafety device that controls temperature within your system. This miniature switch is 1.1 inch long, 0.9 inch wide and 0.8 inch high. It is quite small but it has a large role in avoiding overheating. This is set to a default temperature range of between 100°F and 165°F, though this can be adjusted. It has a temperature control relay, either sequencing or switching, to regulate the flow of power. If the temperature inside the unit rises beyond the set limit which may be 165 °F.