{"product_id":"resideo-1039746-co-alarm-battery-backup-digital-display-120v","title":"Resideo 1039746 Co Alarm Battery Backup Digital Display 120V","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe RESIDEO 1039746 is a plug-in carbon monoxide alarm designed for residential installation where continuous monitoring of CO levels is required. The unit operates on 120-volt AC power with a replaceable battery backup using two AA alkaline batteries, ensuring protection remains active during power interruptions. An electrochemical CO sensor provides reliable detection, and a large backlit digital display shows real-time CO concentration in parts per million (PPM). A Peak Level Memory function recalls the highest CO level detected, giving service technicians and homeowners actionable data after an event. The single-button Test\/Silence control keeps operation straightforward.\u003c\/p\u003e\n\u003cp\u003eThis alarm is suited for residential applications including single-family homes, apartments, and similar occupied spaces where plug-in installation near an AC outlet is practical. The unit plugs directly into a standard wall outlet or can be mounted higher on the wall using the included line cord, offering flexibility in placement to meet local code requirements. Installation does not require hardwiring, making it appropriate for property managers, electricians, or HVAC technicians performing indoor air quality compliance work. Two silence modes allow the user to mute the low-battery chirp for up to eight hours or temporarily suppress a nuisance alarm without disabling the device.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eElectrochemical CO sensor with real-time PPM readout on backlit digital display\u003c\/li\u003e\n  \u003cli\u003ePeak Level Memory recalls highest detected CO concentration\u003c\/li\u003e\n  \u003cli\u003e120V AC plug-in operation with replaceable AA battery backup\u003c\/li\u003e\n  \u003cli\u003eDual silence modes: suppress low-battery chirp up to 8 hours or temporarily silence nuisance alarms\u003c\/li\u003e\n  \u003cli\u003eEnd-of-life warning alerts when the unit requires replacement\u003c\/li\u003e\n  \u003cli\u003e85 dB alarm output measured at 10 feet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a plug-in replacement or new-installation CO alarm for residential environments requiring 120V AC-powered carbon monoxide detection with battery backup. Also sold under BRK model CO615.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by plugging the unit into a standard 120V AC outlet or mounting it on the wall using the line cord; no hardwiring is required. Before servicing or replacing an existing CO alarm, confirm power to the outlet is off or the previous unit is fully unplugged. Follow NFPA 720 and applicable local codes for CO alarm placement height and proximity to sleeping areas. Do not install in locations with excessive humidity, temperature extremes, or near fuel-burning appliances in a way that may cause nuisance alarms contrary to the manufacturer guidelines.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Supply\u003c\/strong\u003e: 120 volts AC plug-in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Type\u003c\/strong\u003e: Electrochemical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Backup\u003c\/strong\u003e: 2 AA alkaline batteries (replaceable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSound Level\u003c\/strong\u003e: 85 dB at 10 feet\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e: Backlit digital, reads CO in PPM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Height\u003c\/strong\u003e: 1.7 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Length\u003c\/strong\u003e: 5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Width\u003c\/strong\u003e: 3.4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Weight\u003c\/strong\u003e: 0.83 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: White\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e: 7 Years Limited\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: RESIDEO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 1039746\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RESIDEO","offers":[{"title":"Default Title","offer_id":51138911535410,"sku":"1039746","price":66.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/305532981.jpg?v=1778265768","url":"https:\/\/voomisupply.com\/products\/resideo-1039746-co-alarm-battery-backup-digital-display-120v","provider":"Voomi Supply","version":"1.0","type":"link"}