ALS13L185

The Therm-O-Disc ALS13L185 is an adjustable bimetal thermal limit switch designed to protect heating and HVAC systems from overheating.Key Technical SpecificationsComponent Type: Adjustable bimetal thermal disc / safety limit switch.Temperature Rating: L185 indicates a high-limit safety cut-out that opens the electrical circuit when the temperature rises to 185°F.Adjustment Range: Features an adjustable panel-mount control knob supporting up to 270 degrees of rotation to set a range between high and low limits.Electrical Terminals: Built with two brass screw-type connections. Gas and Electric Furnaces: Functions as a safety high-limit switch that shuts down the gas valve or heating elements if the plenum chamber overheats due to a restricted blower or clogged air filter.Wood, Pellet, and Gas Stoves / Fireplaces: Regulates the distribution blower fan or acts as a safety sensor to detect blockages or excessive exhaust temperatures in the heat exchanger.Commercial Food Service Equipment: Used in commercial food warmers, holding cabinets, hot wells, and booster heaters to maintain precise operational temperatures.Industrial and Commercial Unit Heaters: Installed in space heaters, duct heaters, and heavy-duty garage heaters to cut system power during an airflow obstruction.