Carrier HH18HA122 Auto Limit Switch 117°F -120°F

The Carrier HH18HA122 is an automatic limit switch which is used in Carrier HVAC equipment. It also serves a safety feature because it turns off the heating system once the temperature gets to a certain level of 117°F-120°F. This is to avoid the system from overheating and causing some damage to the system. This compact limit switch is 1.5” long, 2.25” wide and 1” high and can be easily installed in any HVAC system. Through its fully automated operations, protects your HVAC equipment as well as increases their durability.