Firestat switches are used in HVAC systems to shut off heating, ventilation, and air conditioning equipment. They detect air temperature and trigger an SPST switch once the temperature reaches a set limit, which could happen if a machine overheats, or a fire starts. The temperature limit is then reset using a manual reset button once the surrounding temperature drops below the temperature limit. These switches come in both fixed temperature and adjustable temperature variants. Fixed and Adjustable Temperatures The fixed temperature switch has standard temperature settings at 125°F, 165°F, and 200°F. You can also contact us about custom temperature settings if you need something different. Our adjustableRead More →