{"product_id":"chamberlain-820cb-replacement-garage-door-safety-sensor-2-pack","title":"Chamberlain 820CB Replacement Garage Door Safety Sensor, 2-Pack","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Chamberlain 820CB Replacement Safety Sensor kit offers a discreet, reliable upgrade for your garage door system. The pair of infrared sensors projects an invisible beam across the door opening, forming a safety loop that helps protect people, pets, and belongings as the door moves. Engineered for use with Chamberlain openers manufactured after 1997, these sensors emphasize dependable performance, straightforward installation, and a low-profile design that remains out of the way in busy garages.\u003c\/p\u003e\n\n\u003ch2\u003eWhat’s in the box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e2 safety sensors\u003c\/li\u003e\n  \u003cli\u003e mounting brackets\u003c\/li\u003e\n  \u003cli\u003e18 inches of extension wire\u003c\/li\u003e\n  \u003cli\u003einstruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey benefits\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eBroad compatibility with Chamberlain, LiftMaster, and most Craftsman openers manufactured after 1997\u003c\/li\u003e\n  \u003cli\u003eEnhanced troubleshooting and intuitive safety reversing sensors\u003c\/li\u003e\n  \u003cli\u003eLow-profile design that minimizes the risk of misalignment\u003c\/li\u003e\n  \u003cli\u003eAutomatic reversal when an obstruction is detected\u003c\/li\u003e\n  \u003cli\u003e2-pack provides a ready replacement for paired sensors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works and practical uses\u003c\/h2\u003e\n\u003cp\u003eThese sensors create a steady, invisible beam across the doorway. If the beam is broken by a person, pet, or object, the opener responds with a controlled reversal, reducing the chance of door-to-object contact. This behavior aligns with safer daily garage routines, whether you’re loading groceries, bringing in deliveries, or letting in a family member with hands full of gear.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation tips and best practices\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow the included manual for orientation, alignment, and testing steps\u003c\/li\u003e\n  \u003cli\u003eMount the sensors at a height and angle that maintain a clear line of sight across the door opening\u003c\/li\u003e\n  \u003cli\u003eUse the 18-inch extension wire to reach a solid power and mounting point without tension\u003c\/li\u003e\n  \u003cli\u003eRun wires neatly to prevent snagging during frequent garage door use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy choose a Chamberlain sensor replacement\u003c\/h2\u003e\n\u003cp\u003eChoosing the 820CB kit helps you maintain consistent door performance with a focus on safety and reliability. The low-profile sensors blend into typical garage interiors, while the included brackets and wiring provide a straightforward path to a proper installation. While results can vary with door age and alignment, the kit is designed to offer a practical, user-friendly option for updating your system to the latest safety standards.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is included in the Chamberlain 820CB 2-Pack replacement kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Two sensors, mounting brackets, 18-inch extension wire, and an instruction manual for quick installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this replacement kit compatible with my Chamberlain opener?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it works with Chamberlain, LiftMaster, and most Craftsman openers manufactured after 1997.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CHAMBERLAIN","offers":[{"title":"Default Title","offer_id":53083834024047,"sku":"B09GB6JHRR","price":54.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/chamberlain-820cb-safety-sensor-front-view.jpg?v=1778608596","url":"https:\/\/taskholt.com\/products\/chamberlain-820cb-replacement-garage-door-safety-sensor-2-pack","provider":"TaskHolt","version":"1.0","type":"link"}