The high temperature limit on a thermostat prevents the temperature in the area being monitored from exceeding its set point. For example, household dryers have a high temperature limit thermostat, sometimes called a safety thermostat, that shuts off the heat when the temperature reaches 240 degrees.
One of the main locations for high temperature limit thermostats is in dryers because of their use as a safety feature ensuring the temperature in the unit will not exceed safe levels. It is also possible to install domestic heating control thermostats that have a temperature limit. This type of thermostat, often referred to as a landlord thermostat, is primarily installed in office environments and rental properties in order to save on heating costs.