{"product_id":"brk-hardwired-smoke-and-carbon-monoxide-alarm-sc9120b-ionization-smoke-co-sensor-9v-backup","title":"BRK Hardwired Smoke and Carbon Monoxide Alarm SC9120B — Ionization Smoke + CO Sensor, 9V Backup","description":"\u003cp\u003e\u003cstrong\u003eThe BRK SC9120B is a hardwired, interconnectable alarm that combines ionization smoke detection and carbon monoxide sensing with a 9V battery backup for continuous home protection.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis single unit monitors two different household hazards—fast-flaming smoke and invisible carbon monoxide—so you don't need separate devices. Designed for permanent 120V wiring with an included quick plug-in connector and battery backup, the SC9120B is built for reliable operation, easy installation, and clear notifications when something goes wrong.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the SC9120B detect both smoke and carbon monoxide?\u003c\/h3\u003e\n\u003cp\u003eThe SC9120B integrates an ionization smoke sensor to spot fast-flaming fires and a dedicated carbon monoxide sensor to sense the odorless gas. Each hazard triggers its own distinct audible and visual alert so you can quickly understand the type of danger.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDual sensors: ionization for flaming fires; CO sensor for carbon monoxide.\u003c\/li\u003e\n  \u003cli\u003eSeparate audible tones and visual latching indicators for smoke vs CO.\u003c\/li\u003e\n  \u003cli\u003eMicroprocessor control to reduce false alarms while maintaining sensitivity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan multiple units be connected together across a home?\u003c\/h3\u003e\n\u003cp\u003eYes—the SC9120B supports hardwired interconnection so one triggered alarm can alert every connected unit. It works with up to 18 compatible devices in a network, including other BRK and First Alert hardwired alarms and select notification accessories.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInterconnectable across a circuit: up to 12 other smoke alarms and 6 notification devices.\u003c\/li\u003e\n  \u003cli\u003ePower indicators show which unit initiated the alarm for quick locating.\u003c\/li\u003e\n  \u003cli\u003eCompatible with bells, horns, repeaters and door closers for expanded systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat features make the SC9120B practical for everyday use?\u003c\/h3\u003e\n\u003cp\u003eThe unit includes a one-button test\/silence control, tamper-resistant locks, and an automatic self-test routine to keep maintenance simple. A 9-volt battery is included so the alarm continues to function during power outages.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSingle test\/silence button to quiet nuisance alerts and perform checks.\u003c\/li\u003e\n  \u003cli\u003eBattery drawer and mounting bracket locks for tamper resistance.\u003c\/li\u003e\n  \u003cli\u003eAC power and alarm indicator lights plus low-battery chirp and missing battery tab alert.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and long-term upkeep?\u003c\/h3\u003e\n\u003cp\u003eThe SC9120B ships with a universal mounting bracket and a quick plug-in power connector to streamline wiring tasks, making it contractor- and homeowner-friendly. Routine upkeep is limited to the included battery replacement and periodic testing using the built-in button.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eQuick plug-in connector for straightforward hardwire hookup.\u003c\/li\u003e\n  \u003cli\u003eUniversal mounting bracket fits standard junction boxes and locations.\u003c\/li\u003e\n  \u003cli\u003eAuto internal tests plus manual test button for regular verification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The BRK SC9120B is suited for homeowners, landlords, and builders who want a single, hardwired device to monitor both smoke and carbon monoxide across living spaces. It's ideal where interconnection with other alarms is required—near bedrooms, in hallways, and throughout multi-room systems—offering a dependable backup battery and tamper-resistant features for family and property protection.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFeatures: Superior CO sensor; ionization smoke detection\u003c\/li\u003e\n  \u003cli\u003eIncluded: 9V battery; universal mounting bracket; quick-connect power plug\u003c\/li\u003e\n  \u003cli\u003eCompatibility: Interconnects with BRK and First Alert hardwired alarms\u003c\/li\u003e\n  \u003cli\u003eWarranty: 7-year limited warranty\u003c\/li\u003e\n\u003c\/ul\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: Does the SC9120B work during power outages?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It includes a 9-volt battery backup so the alarm remains operational when AC power is lost.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I interconnect this alarm with other brands?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It interconnects with BRK and First Alert hardwired alarms and compatible notification devices on the same circuit.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Findsworth","offers":[{"title":"Default Title","offer_id":54585963774291,"sku":"B0064S9O1S","price":71.17,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/brk-sc9120b-front-unit.jpg?v=1786677067","url":"https:\/\/findsworth.co.uk\/products\/brk-hardwired-smoke-and-carbon-monoxide-alarm-sc9120b-ionization-smoke-co-sensor-9v-backup","provider":"Findsworth","version":"1.0","type":"link"}