Carrier HH18HA202 Rollout Switch 350°F Manual Reset SPST

The Carrier HH18HA202 crucial safety device is an essential safety equipment used in Carrier HVAC systems, and it has the main function of avoiding high temperatures. This makes it operate as a normally closed single pole single throw, that is it joins the circuit until activated. Used for measuring the temperature of the system, the HH18HA202 has the function of turning off the power supply to the gas in case of high temperature. At 130°F it triggers a cut-in and at 350°F it is a cut-out, thus serving as a safety feature. Should the temperature rise beyond the allocated limit, the switch opens up which means cuts the circuit to stop the supply of gas can damage the HVAC unit or even cause fire outbreaks.