{"product_id":"120-821","title":"120-821","description":"This High Limit Control Fan Disc Switch is a critical safety component designed for heating systems and HVAC equipment. Functioning as a thermal protection device, it prevents equipment from overheating by opening the electrical circuit when the internal temperature reaches 185 degrees Fahrenheit. Once the system cools down to a safe 155 degrees Fahrenheit, the switch automatically closes, restoring operation. Whether you are repairing a residential furnace or a commercial heating unit, this high-quality disc switch ensures reliable temperature regulation and equipment longevity. It is an essential replacement part for maintaining the safe and efficient operation of forced-air heating systems and prevents potential damage caused by excessive heat buildup.\u003cbr\u003e\nType: Fan Disc High Limit Control Switch\u003cbr\u003e\nSize: Small\u003cbr\u003e\nApplication: Commonly used in furnaces, air handlers, and forced-air heating systems to monitor heat exchanger temperatures and provide safety shut-off capabilities.\u003cbr\u003e\nSpecifications: Opening Temperature: 185°F; Closing Temperature: 155°F; Automatic reset; Snap-action disc sensor.","brand":"BCFurnace","offers":[{"title":"CONTROL,LIMIT,OPEN 185\/CLOSE 155 \/ 120-821","offer_id":50216972124445,"sku":null,"price":110.74,"currency_code":"CAD","in_stock":true},{"title":"CONTROL,LIMIT,OPEN 185\/CLOSE 155 \/ S1-02546383000","offer_id":50216972157213,"sku":null,"price":110.74,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/bcfurnace.myshopify.com\/products\/120-821","provider":"BCFurnace","version":"1.0","type":"link"}