Shop with Confidence — Free Shipping on All Orders

{"id":9562368213143,"title":"Chamberlain 820CB Replacement Garage Door Safety Sensor, 2-Pk. - Quantity 1 Sensors","handle":"chamberlain-820cb-replacement-garage-door-safety-sensor-2-pk-quantity-1-sensors","description":"\u003ch3\u003eChamberlain 820CB Replacement Garage Door Safety Sensor, 2-Pk. - Quantity 1\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003eThe Replacement Safety Sensors project an invisible light beam across the\r\ninside of the garage door to prevent accidents and are required for safe use\r\nof all Chamberlain Garage Door Openers. Whenever there is an obstruction, the\r\ngarage door will automatically reverse before causing any damage. Chamberlain\r\ncompatible, these sensors replace defective or damaged sensors for every\r\nChamberlain Garage Door Opener manufactured after 1997.\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eFor use with every Chamberlain garage door opener manufactured after 1997\u003c\/li\u003e\r\n \u003cli\u003eEnhanced troubleshooting, most intuitive safety reversing sensors\u003c\/li\u003e\r\n \u003cli\u003eLow profile reduces risk of being knocked out of alignment\u003c\/li\u003e\r\n \u003cli\u003eWhenever there is an obstruction, the garage door will automatically reverse\u003c\/li\u003e\r\n \u003cli\u003eCompatible with Chamberlain, LiftMaster and most Craftsman garage door openers\u003c\/li\u003e\r\n \u003cli\u003eIncludes 2 sensors, mounting brackets, 18 inches of extension wire, instruction manual\u003c\/li\u003e\r\n \u003c\/ul\u003e","published_at":"2026-04-07T14:39:28+10:00","created_at":"2026-04-07T14:39:25+10:00","vendor":"CHAMBERLAIN","type":"Sensors","tags":["home_improvement_Apr2026"],"price":21900,"price_min":21900,"price_max":21900,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":47624581054615,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B09GB6JHRR","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Chamberlain 820CB Replacement Garage Door Safety Sensor, 2-Pk. - Quantity 1 Sensors","public_title":null,"options":["Default Title"],"price":21900,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"012381197460","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/newnestshop.com\/cdn\/shop\/files\/B09GB6JHRR.jpg?v=1775834378","\/\/newnestshop.com\/cdn\/shop\/files\/51rsOjXthHL.jpg?v=1775536768","\/\/newnestshop.com\/cdn\/shop\/files\/61vNkDmmLXL.jpg?v=1775536767","\/\/newnestshop.com\/cdn\/shop\/files\/71-bVEhCJdL.jpg?v=1775536768","\/\/newnestshop.com\/cdn\/shop\/files\/61JuHHBRq3L.jpg?v=1775536767","\/\/newnestshop.com\/cdn\/shop\/files\/61dCD9Ci0aL.jpg?v=1775536768","\/\/newnestshop.com\/cdn\/shop\/files\/71-PU93lj7L.jpg?v=1775536767"],"featured_image":"\/\/newnestshop.com\/cdn\/shop\/files\/B09GB6JHRR.jpg?v=1775834378","options":["Title"],"media":[{"alt":null,"id":41421861388439,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1800,"width":1800,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/B09GB6JHRR.jpg?v=1775834378"},"aspect_ratio":1.0,"height":1800,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/B09GB6JHRR.jpg?v=1775834378","width":1800},{"alt":null,"id":41421861421207,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1800,"width":1800,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/51rsOjXthHL.jpg?v=1775536768"},"aspect_ratio":1.0,"height":1800,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/51rsOjXthHL.jpg?v=1775536768","width":1800},{"alt":null,"id":41421861453975,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1800,"width":1800,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/61vNkDmmLXL.jpg?v=1775536767"},"aspect_ratio":1.0,"height":1800,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/61vNkDmmLXL.jpg?v=1775536767","width":1800},{"alt":null,"id":41421861486743,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1800,"width":1800,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71-bVEhCJdL.jpg?v=1775536768"},"aspect_ratio":1.0,"height":1800,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71-bVEhCJdL.jpg?v=1775536768","width":1800},{"alt":null,"id":41421861519511,"position":5,"preview_image":{"aspect_ratio":1.0,"height":1800,"width":1800,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/61JuHHBRq3L.jpg?v=1775536767"},"aspect_ratio":1.0,"height":1800,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/61JuHHBRq3L.jpg?v=1775536767","width":1800},{"alt":null,"id":41421861552279,"position":6,"preview_image":{"aspect_ratio":1.0,"height":1800,"width":1800,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/61dCD9Ci0aL.jpg?v=1775536768"},"aspect_ratio":1.0,"height":1800,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/61dCD9Ci0aL.jpg?v=1775536768","width":1800},{"alt":null,"id":41421861585047,"position":7,"preview_image":{"aspect_ratio":1.0,"height":1800,"width":1800,"src":"\/\/newnestshop.com\/cdn\/shop\/files\/71-PU93lj7L.jpg?v=1775536767"},"aspect_ratio":1.0,"height":1800,"media_type":"image","src":"\/\/newnestshop.com\/cdn\/shop\/files\/71-PU93lj7L.jpg?v=1775536767","width":1800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eChamberlain 820CB Replacement Garage Door Safety Sensor, 2-Pk. - Quantity 1\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003eThe Replacement Safety Sensors project an invisible light beam across the\r\ninside of the garage door to prevent accidents and are required for safe use\r\nof all Chamberlain Garage Door Openers. Whenever there is an obstruction, the\r\ngarage door will automatically reverse before causing any damage. Chamberlain\r\ncompatible, these sensors replace defective or damaged sensors for every\r\nChamberlain Garage Door Opener manufactured after 1997.\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eFor use with every Chamberlain garage door opener manufactured after 1997\u003c\/li\u003e\r\n \u003cli\u003eEnhanced troubleshooting, most intuitive safety reversing sensors\u003c\/li\u003e\r\n \u003cli\u003eLow profile reduces risk of being knocked out of alignment\u003c\/li\u003e\r\n \u003cli\u003eWhenever there is an obstruction, the garage door will automatically reverse\u003c\/li\u003e\r\n \u003cli\u003eCompatible with Chamberlain, LiftMaster and most Craftsman garage door openers\u003c\/li\u003e\r\n \u003cli\u003eIncludes 2 sensors, mounting brackets, 18 inches of extension wire, instruction manual\u003c\/li\u003e\r\n \u003c\/ul\u003e"}

Chamberlain 820CB Replacement Garage Door Safety Sensor, 2-Pk. - Quantity 1 Sensors

In Stock. Leaves warehouse within 2 - 3 business days

$219.00 AUD
Maximum quantity available reached.
Free Shipping Australia Wide
100% Safe & Secure Checkout
100 Days Return Policy *
1 Year Warranty *

Chamberlain 820CB Replacement Garage Door Safety Sensor, 2-Pk. - Quantity 1

The Replacement Safety Sensors project an invisible light beam across the inside of the garage door to prevent accidents and are required for safe use of all Chamberlain Garage Door Openers. Whenever there is an obstruction, the garage door will automatically reverse before causing any damage. Chamberlain compatible, these sensors replace defective or damaged sensors for every Chamberlain Garage Door Opener manufactured after 1997.

Product Features

  • For use with every Chamberlain garage door opener manufactured after 1997
  • Enhanced troubleshooting, most intuitive safety reversing sensors
  • Low profile reduces risk of being knocked out of alignment
  • Whenever there is an obstruction, the garage door will automatically reverse
  • Compatible with Chamberlain, LiftMaster and most Craftsman garage door openers
  • Includes 2 sensors, mounting brackets, 18 inches of extension wire, instruction manual

Buy with confidence as this product comes with 18 months full local warranty in Australia & New Zealand (unless otherwise stated in the overview).

This product also comes with the benefits of the CocoonPower Warranty. For further details please read our Warranty Guidelines.

You can also purchase 3 Year Extended Care. If you are interested please see our Extended Care Information.