The High Limit Switch for your Sauna Heater. This press-button safety switch is typically located under the heater and is essential in ensuring your sauna's safety. If you find yourself constantly having to press this button, it may be a sign that the switch is failing and in need of replacement. Don't compromise on the safety of your sauna; get a replacement high-limit switch to keep your sauna heater functioning optimally. Trust in our high-quality parts to keep your sauna running smoothly for years.