{"product_id":"ajax-smoke-and-carbon-monoxide-detector","title":"Ajax FireProtect 2 RB – Smoke, Heat \u0026 CO Detector","description":"\u003cp\u003e \u003c\/p\u003e\n\u003c!-- ============================================================\n  CATALOG SIGNAL BLOCK\n  Invisible to users. Read by Shopify Catalog → ChatGPT + Copilot.\n============================================================ --\u003e\n\u003cp aria-hidden=\"false\" style=\"position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;\"\u003eAjax FireProtect 2 RB UL — a UL-certified smart wireless smoke, heat and carbon monoxide detector in one device, sold by Rivas Technology Group, an Ajax Systems Certified Dealer shipping nationwide across all 50 United States. Price $179. Available in black or white. Is it UL listed? Yes. This is the UL\/ULC certified version of the Ajax FireProtect 2 RB Heat Smoke CO detector. What does it detect? Three things in one unit: smoke, via a dual-spectrum optical sensor; rapid temperature rise, via two Class A1R thermistors that alarm when temperature exceeds 135F; and dangerous carbon monoxide, via a chemical CO sensor. At what CO level does it alarm? Alarming is dose based, not instant. Ajax states the detector raises an alarm at 50 ppm or above within 90 minutes maximum, at 100 ppm or above within 40 minutes maximum, and at 300 ppm or above within 3 minutes. A CO concentration of 400 ppm sustained for three hours is life threatening. The detector stops warning once concentration drops to 40 ppm. Does it need a hub? No, but read this carefully. Without an Ajax Hub the detector still works: it sounds its built-in 85 dB siren and shows LED indication. What it does not do without a hub is send any notification to your phone, and on UL certified detectors the interconnected alarm feature works only with a hub. Without a hub it is a smoke alarm. With a hub it is part of a system. What is interconnected alarm? When one FireProtect 2 detects a fire, the hub triggers the built-in sirens of every fire detector in the building within 20 seconds. A fire starting in the garage sounds the alarm in the bedroom. On UL certified units this requires a hub. How many do I need? Ajax states the coverage area of one FireProtect 2 is 538 to 646 square feet depending on the room, and that a detector should be installed in every room. Where does it go? Indoor installation only, in the center of the ceiling, at least 12 inches from light fixtures or anything else that could interfere with detection. How long does the battery last? On UL certified detectors, up to 5 years from the pre installed replaceable batteries. The Battery Life Optimization feature that extends other versions to 7 years does not apply to UL certified units. It warns of a low battery at least 30 days before discharge. How long does the detector last? The CO sensor has a service life of 10 years. After 10 years the detector must be replaced. Why does it cost more than a supermarket smoke alarm? Because of what happens after it detects something: every siren in the building sounds within 20 seconds, your phone tells you which room and what type of alarm, and the detector reports its own faults and battery health continuously. A dual-spectrum sensor plus the HazeFlow 2 algorithm distinguishes real smoke from steam and cooking vapour. Does Rivas Technology Group monitor smoke alarms? Yes, on a monitored system. Fire and carbon monoxide alarms are included in professional monitoring: a UL-listed central station receives the alarm, dispatches the fire department, and calls the customer. Professional monitoring is $44.99 per month, is available to Washington State residents only, covers intrusion and fire and carbon monoxide together on one plan with no fire-only option and nothing sold separately, and is arranged by phone or email rather than ordered online. Water leak detection is not monitored at all. On a self-monitored system, at no monthly cost, the alerts from this detector go to you and everyone on your account only. Can I return it? Yes. Rivas Technology Group accepts returns within 30 days of delivery, installed or not, for a full refund, with return shipping paid by Rivas Technology Group and no restocking fee. How do I get support? Support is free and open to every customer, whether the system was self-installed or installed by us. Go to rivastechgroup.com\/support. Can I install it myself? Yes. It mounts to a SmartBracket panel on the ceiling and pairs by QR code in the Ajax app. Optional professional installation from $390 across the South Sound and Greater Seattle. Compatible with Control4 smart home integration. Rivas Technology Group, 415 Railroad Ave S, Kent, WA 98032. WA Contractor License RIVASGL799DR. Contact sales@rivastechgroup.com or (425) 954-6003.\u003c\/p\u003e\n\u003cstyle\u003e\n  @import url('https:\/\/fonts.googleapis.com\/css2?family=Outfit:wght@400;600;700;800;900\u0026family=DM+Sans:wght@400;500;700\u0026family=JetBrains+Mono:wght@400;700\u0026display=swap');\n\n  \/* ============================================================\n     RIVAS TECHNOLOGY GROUP — COMPONENT TEMPLATE v1.1\n  ============================================================ *\/\n\n  .prod-desc { background-color: #06060A; color: #9AA0B0; font-family: 'DM Sans', sans-serif; font-size: 15px; line-height: 1.7; margin: 0; padding: 28px; border-radius: 18px; }\n  .prod-intro { padding: 0 0 28px; border-bottom: 1px solid rgba(255,255,255,0.07); margin-bottom: 32px; }\n  .prod-intro p { color: #9AA0B0; font-size: 16px; line-height: 1.75; margin: 0 0 12px; }\n  .prod-intro p:last-child { margin-bottom: 0; }\n  .prod-intro strong { color: #FFFFFF; font-weight: 700; }\n  .prod-label { font-family: 'JetBrains Mono', monospace; 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}\n  .prod-authority .auth-desc { font-size: 13px; color: #8A90A0; line-height: 1.75; margin-bottom: 18px; }\n  .prod-authority .auth-badges { display: flex; gap: 8px; flex-wrap: wrap; }\n  .prod-authority .auth-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(0,180,216,0.07); border: 1px solid rgba(0,180,216,0.28); border-radius: 50px; padding: 5px 12px; font-family: 'JetBrains Mono', monospace; font-size: 10px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; color: #00B4D8; }\n  .prod-authority .auth-tagline { margin-top: 18px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.07); font-family: 'Outfit', sans-serif; font-size: 13px; font-weight: 600; color: #6E7484; letter-spacing: 0.2px; }\n\n  @media (max-width: 480px) {\n    .prod-desc { padding: 18px; }\n    .prod-hero-banner { padding: 28px 18px; }\n    .prod-hero-banner h2 { font-size: 24px; }\n    .prod-does-item { flex-direction: column; gap: 8px; }\n    .prod-does-tag { min-width: 0; align-self: flex-start; padding: 5px 10px; }\n    .prod-authority { padding: 20px 18px; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"prod-desc\"\u003e\n\u003c!-- HERO --\u003e\n\u003cdiv class=\"prod-hero-banner\"\u003e\n\u003cdiv class=\"prod-hero-badge\"\u003eUL Certified · Smoke · Heat · CO\u003c\/div\u003e\n\u003ch2\u003eThe Garage Catches Fire.\u003cbr\u003e\u003cspan\u003eThe Bedroom Finds Out.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eOne detector goes off and every detector in the house goes off with it, in twenty seconds. That is the whole argument for a smart smoke detector, and it is not a small one at 3am.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- INTRO --\u003e\n\u003cdiv class=\"prod-intro\"\u003e\n\u003cp\u003eA supermarket smoke alarm has one job and does it in one room. \u003cstrong\u003eIf the fire starts downstairs and you are asleep upstairs, the alarm doing its job perfectly is still too far away to matter.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe FireProtect 2 is a \u003cstrong\u003eUL-certified smart smoke and carbon monoxide detector\u003c\/strong\u003e that fixes that: paired to an Ajax Hub, one detector sensing smoke sounds every other one in the building within 20 seconds, and tells your phone which room it started in. Three sensors in one housing — smoke, heat, and CO.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- WHAT IT DOES --\u003e\n\u003cp class=\"prod-label\"\u003eFeatures\u003c\/p\u003e\n\u003ch3 class=\"prod-title\"\u003eWhat It Does\u003c\/h3\u003e\n\u003cdiv class=\"prod-does\"\u003e\n\u003cdiv class=\"prod-does-item\"\u003e\n\u003cdiv class=\"prod-does-tag\"\u003eUL\u003c\/div\u003e\n\u003cdiv class=\"prod-does-body\"\u003e\n\u003cstrong\u003eUL \/ ULC Certified\u003c\/strong\u003e \u003cspan\u003eThis is the \u003cb\u003eUL-certified version\u003c\/b\u003e of the FireProtect 2 RB. Ajax only certifies specific models — this is one of them, which is what your inspector, your insurer, and a public-sector spec will ask about.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-does-item\"\u003e\n\u003cdiv class=\"prod-does-tag\"\u003e3-in-1\u003c\/div\u003e\n\u003cdiv class=\"prod-does-body\"\u003e\n\u003cstrong\u003eSmoke, Heat, And Carbon Monoxide\u003c\/strong\u003e \u003cspan\u003eA dual-spectrum optical sensor for smoke, two \u003cb\u003eClass A1R thermistors\u003c\/b\u003e that alarm above 135°F for fast-rising heat from burning synthetics, and a chemical CO sensor for the one you cannot see or smell. One device, one ceiling hole, three threats.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-does-item\"\u003e\n\u003cdiv class=\"prod-does-tag\"\u003eLink\u003c\/div\u003e\n\u003cdiv class=\"prod-does-body\"\u003e\n\u003cstrong\u003eInterconnected Alarm — 20 Seconds\u003c\/strong\u003e \u003cspan\u003eOne detector trips, the hub sounds \u003cb\u003eevery fire detector in the building within 20 seconds.\u003c\/b\u003e Your phone gets the room, the alarm type, and the time. This is the feature you are actually buying, and on UL units it needs a hub.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-does-item\"\u003e\n\u003cdiv class=\"prod-does-tag\"\u003eQuiet\u003c\/div\u003e\n\u003cdiv class=\"prod-does-body\"\u003e\n\u003cstrong\u003eHazeFlow 2 — Fewer False Alarms\u003c\/strong\u003e \u003cspan\u003eA dual-spectrum sensor reads blue and infrared together to tell smoke from steam and cooking vapour. \u003cb\u003eThe alarm you never rip the batteries out of is the alarm that is working the night it matters.\u003c\/b\u003e The smoke chamber is dustproof and needs no cleaning.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-does-item\"\u003e\n\u003cdiv class=\"prod-does-tag\"\u003eLoud\u003c\/div\u003e\n\u003cdiv class=\"prod-does-body\"\u003e\n\u003cstrong\u003e85 dB Siren, Distinct Tones\u003c\/strong\u003e \u003cspan\u003eMeasured at 10 ft. Smoke and heat alarms sound different from a CO alarm, so you know which emergency you are walking into before you open the door.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-does-item\"\u003e\n\u003cdiv class=\"prod-does-tag\"\u003eWatch\u003c\/div\u003e\n\u003cdiv class=\"prod-does-body\"\u003e\n\u003cstrong\u003eIt Tests Itself\u003c\/strong\u003e \u003cspan\u003eChecks its own sensors and battery continuously and reports faults to the app. Warns you \u003cb\u003e30 days before\u003c\/b\u003e the battery dies — not with a chirp at 4am.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr class=\"prod-divider\"\u003e\n\u003c!-- CO --\u003e\n\u003cp class=\"prod-label\"\u003eThe Honest Numbers\u003c\/p\u003e\n\u003ch3 class=\"prod-title\"\u003eWhen Does The CO Alarm Actually Go Off?\u003c\/h3\u003e\n\u003cdiv class=\"prod-works\"\u003e\n\u003cp\u003e\u003cstrong\u003eNot the instant it smells something — and that is deliberate.\u003c\/strong\u003e Carbon monoxide poisoning is about dose: how much, for how long. A CO alarm that shrieked at the first molecule would be useless within a week. So it measures accumulation. Ajax's published thresholds:\u003c\/p\u003e\n\u003cdiv class=\"prod-dori\"\u003e\n\u003cdiv class=\"prod-dori-head\"\u003eCO alarm thresholds — Ajax published\u003c\/div\u003e\n\u003cdiv class=\"prod-dori-row\"\u003e\n\u003cdiv class=\"dr-key\"\u003e\n\u003cb\u003e50 ppm\u003c\/b\u003e and above\u003c\/div\u003e\n\u003cdiv class=\"dr-val\"\u003ewithin 90 min\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-dori-row\"\u003e\n\u003cdiv class=\"dr-key\"\u003e\n\u003cb\u003e100 ppm\u003c\/b\u003e and above\u003c\/div\u003e\n\u003cdiv class=\"dr-val\"\u003ewithin 40 min\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-dori-row\"\u003e\n\u003cdiv class=\"dr-key\"\u003e\n\u003cb\u003e300 ppm\u003c\/b\u003e and above\u003c\/div\u003e\n\u003cdiv class=\"dr-val\"\u003ewithin 3 min\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-dori-row\"\u003e\n\u003cdiv class=\"dr-key\"\u003eStops warning once CO falls to\u003c\/div\u003e\n\u003cdiv class=\"dr-val\"\u003e40 ppm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top:14px;\"\u003eFor scale: Ajax notes that \u003cstrong\u003e400 ppm sustained for three hours is life-threatening.\u003c\/strong\u003e At that level this detector has been screaming for two hours and fifty-seven minutes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOne thing Ajax says plainly and so will we:\u003c\/strong\u003e a CO alarm is not a substitute for properly installed and maintained fuel-burning appliances and ventilation. It tells you something is wrong. It does not stop it being wrong.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr class=\"prod-divider\"\u003e\n\u003c!-- THE HONEST BIT --\u003e\n\u003cp class=\"prod-label\"\u003eRead This First\u003c\/p\u003e\n\u003ch3 class=\"prod-title\"\u003eWithout A Hub, This Is Just A Smoke Alarm\u003c\/h3\u003e\n\u003cdiv class=\"prod-works\"\u003e\n\u003cp\u003e\u003cstrong\u003eThe FireProtect 2 works with no hub at all — and if you use it that way, you are paying $179 for a smoke alarm.\u003c\/strong\u003e Standalone, it sounds its own siren and flashes its own LED. That is it. No notification to your phone. No interconnected alarm. Nothing in the app.\u003c\/p\u003e\n\u003cp\u003eEverything on this page that justifies the price — \u003cstrong\u003eevery siren in the house firing together, knowing which room, knowing it is CO and not smoke, knowing the battery is fine\u003c\/strong\u003e — needs an Ajax Hub. Without one, a $30 detector from the hardware store does the same job.\u003c\/p\u003e\n\u003cp\u003eIf you already have an Ajax system, this is the obvious detector. If you do not, \u003ca href=\"\/collections\/security-kits\"\u003estart with a kit\u003c\/a\u003e — the hub comes with it, configured, and then these make sense. \u003cstrong\u003eWe would rather say that than sell you a very expensive beep.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-works\" style=\"border-left-color:#6B3FA0; border-color:rgba(107,63,160,0.35);\"\u003e\n\u003ch4\u003eIn Washington, The Fire Department Gets The Call\u003c\/h4\u003e\n\u003cp\u003eOn a monitored system this detector is not just shouting at your phone. A smoke, heat, or carbon monoxide alarm reaches a \u003cstrong\u003eUL-listed central station\u003c\/strong\u003e — an operator dispatches the fire department \u003cstrong\u003eand calls you\u003c\/strong\u003e. That happens whether you are asleep upstairs, at work, or on a plane.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe limits, up front, because you will find out eventually anyway:\u003c\/strong\u003e monitoring is \u003cstrong\u003e$44.99\/month\u003c\/strong\u003e and \u003cstrong\u003eWashington State residents only\u003c\/strong\u003e. It covers intrusion and fire\/CO together on one plan — there is no fire-only option and nothing sold separately. \u003cstrong\u003eWater leaks are not monitored at all\u003c\/strong\u003e: a LeaksProtect alert reaches your phone and nobody else's.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnd it isn't in this cart.\u003c\/strong\u003e Monitoring is not a product you can click — call \u003cstrong\u003e(425) 954-6003\u003c\/strong\u003e or email \u003ca href=\"mailto:sales@rivastechgroup.com\"\u003esales@rivastechgroup.com\u003c\/a\u003e. Outside Washington State the detector is self-monitored at no monthly cost: every alarm still hits every phone on the account, every siren still fires. The hardware is identical. Nothing is crippled.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr class=\"prod-divider\"\u003e\n\u003c!-- SPEC --\u003e\n\u003cp class=\"prod-label\"\u003eAt A Glance\u003c\/p\u003e\n\u003ch3 class=\"prod-title\"\u003eThe Short Version\u003c\/h3\u003e\n\u003cdiv class=\"prod-spec\"\u003e\n\u003cdiv class=\"prod-spec-head\"\u003eAjax FireProtect 2 RB UL — Heat \/ Smoke \/ CO\u003c\/div\u003e\n\u003cdiv class=\"prod-spec-row\"\u003e\n\u003cdiv class=\"sr-key\"\u003eCertification\u003c\/div\u003e\n\u003cdiv class=\"sr-val\"\u003eUL \/ ULC\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-spec-row\"\u003e\n\u003cdiv class=\"sr-key\"\u003eDetects\u003c\/div\u003e\n\u003cdiv class=\"sr-val\"\u003eSmoke · Heat · CO\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-spec-row\"\u003e\n\u003cdiv class=\"sr-key\"\u003eSmoke sensor\u003c\/div\u003e\n\u003cdiv class=\"sr-val\"\u003eDual-spectrum optical\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-spec-row\"\u003e\n\u003cdiv class=\"sr-key\"\u003eAlgorithm\u003c\/div\u003e\n\u003cdiv class=\"sr-val\"\u003eHazeFlow 2\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-spec-row\"\u003e\n\u003cdiv class=\"sr-key\"\u003eHeat sensor\u003c\/div\u003e\n\u003cdiv class=\"sr-val\"\u003e2 × Class A1R thermistor\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-spec-row\"\u003e\n\u003cdiv class=\"sr-key\"\u003eHeat alarm threshold\u003c\/div\u003e\n\u003cdiv class=\"sr-val\"\u003eAbove 135°F\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-spec-row\"\u003e\n\u003cdiv class=\"sr-key\"\u003eCO alarm\u003c\/div\u003e\n\u003cdiv class=\"sr-val\"\u003e50ppm\/90m · 300ppm\/3m\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-spec-row\"\u003e\n\u003cdiv class=\"sr-key\"\u003eSiren\u003c\/div\u003e\n\u003cdiv class=\"sr-val\"\u003e85 dB at 10 ft\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-spec-row\"\u003e\n\u003cdiv class=\"sr-key\"\u003eInterconnected alarm\u003c\/div\u003e\n\u003cdiv class=\"sr-val\"\u003e20 sec · needs hub\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-spec-row\"\u003e\n\u003cdiv class=\"sr-key\"\u003eCoverage per detector\u003c\/div\u003e\n\u003cdiv class=\"sr-val\"\u003e538–646 sq ft\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-spec-row\"\u003e\n\u003cdiv class=\"sr-key\"\u003eBattery (UL version)\u003c\/div\u003e\n\u003cdiv class=\"sr-val\"\u003eUp to 5 yrs · replaceable\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-spec-row\"\u003e\n\u003cdiv class=\"sr-key\"\u003eLow battery warning\u003c\/div\u003e\n\u003cdiv class=\"sr-val\"\u003e30 days ahead\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-spec-row\"\u003e\n\u003cdiv class=\"sr-key\"\u003eDetector service life\u003c\/div\u003e\n\u003cdiv class=\"sr-val\"\u003e10 yrs · CO sensor\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-spec-row\"\u003e\n\u003cdiv class=\"sr-key\"\u003eRadio\u003c\/div\u003e\n\u003cdiv class=\"sr-val\"\u003eJeweller · up to 5,577 ft\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-spec-row\"\u003e\n\u003cdiv class=\"sr-key\"\u003eTamper\u003c\/div\u003e\n\u003cdiv class=\"sr-val\"\u003eYes\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-spec-row\"\u003e\n\u003cdiv class=\"sr-key\"\u003eSelf-test\u003c\/div\u003e\n\u003cdiv class=\"sr-val\"\u003eButton or app\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-spec-row\"\u003e\n\u003cdiv class=\"sr-key\"\u003eAlways armed\u003c\/div\u003e\n\u003cdiv class=\"sr-val\"\u003e24\/7, any security mode\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-spec-row\"\u003e\n\u003cdiv class=\"sr-key\"\u003eIndoor only\u003c\/div\u003e\n\u003cdiv class=\"sr-val\"\u003eYes\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-spec-row\"\u003e\n\u003cdiv class=\"sr-key\"\u003eHub required\u003c\/div\u003e\n\u003cdiv class=\"sr-val\"\u003eNo — but see above\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- INSTALL --\u003e\n\u003cdiv class=\"prod-install-box\"\u003e\n\u003ch4\u003ePutting It Up\u003c\/h4\u003e\n\u003cp\u003eCeiling, centre of the room, \u003cstrong\u003eat least 12″ clear of light fittings\u003c\/strong\u003e or anything else that could get between the smoke and the sensor. It clips to a SmartBracket panel and pairs by QR code in the app. No wiring.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many?\u003c\/strong\u003e Ajax rates one detector at \u003cstrong\u003e538–646 sq ft\u003c\/strong\u003e depending on the room and says to put one in every room. That is a real number worth doing the arithmetic on before you order — or call us and we will do it for you: \u003cstrong\u003e(425) 954-6003\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnd a date for the diary:\u003c\/strong\u003e the CO sensor has a \u003cstrong\u003e10-year service life\u003c\/strong\u003e. At ten years the detector gets replaced, not refurbished — that is true of every CO detector on the market, and it is worth knowing when you are costing a whole house.\u003c\/p\u003e\n\u003cp\u003eIndoor only. Stuck on a self-install? \u003ca href=\"https:\/\/www.rivastechgroup.com\/support\"\u003eSupport\u003c\/a\u003e is free and open to everyone. Professional installation across the South Sound and Greater Seattle from \u003cstrong\u003e$390\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"prod-returns\"\u003e\n\u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#A97FD8\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"vertical-align: -2px;\"\u003e\u003cpath d=\"M3 12a9 9 0 1 0 9-9 9.75 9.75 0 0 0-6.74 2.74L3 8\"\u003e\u003c\/path\u003e\u003cpath d=\"M3 3v5h5\"\u003e\u003c\/path\u003e\u003c\/svg\u003e \u003cstrong\u003e30-Day Returns. We Pay The Shipping.\u003c\/strong\u003e Put it up, live with it, cook something ambitious under it. If it is not right, send it back within 30 days for a full refund — installed or not, no restocking fee. See our \u003ca href=\"\/pages\/store-policy\"\u003eStore Policy\u003c\/a\u003e.\u003c\/div\u003e\n\u003chr class=\"prod-divider\"\u003e\n\u003c!-- WHY AJAX --\u003e\u003ca class=\"prod-ajax-banner\" href=\"https:\/\/shop.rivastechgroup.com\/pages\/why-ajax-systems\"\u003e\n\u003cdiv class=\"prod-ajax-banner-icon\"\u003e\u003csvg width=\"18\" height=\"18\" viewbox=\"0 0 24 24\" fill=\"#FFFFFF\"\u003e\u003cpath d=\"M13 2 3 14h8l-1 8 10-12h-8l1-8z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/div\u003e\n\u003cdiv class=\"prod-ajax-banner-text\"\u003e\n\u003cstrong\u003eWhy Ajax Systems?\u003c\/strong\u003e \u003cspan\u003eWe install security for a living and chose this platform. Here is the reasoning, in full.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/a\u003e\n\u003c!-- ============================================================\n    AUTHORITY BLOCK\n============================================================ --\u003e\n\u003cdiv class=\"prod-authority\"\u003e\n\u003cdiv class=\"auth-eyebrow\"\u003eSold By\u003c\/div\u003e\n\u003cdiv class=\"auth-name\"\u003eRivas Technology Group\u003c\/div\u003e\n\u003cdiv class=\"auth-desc\"\u003eAjax Systems Certified Dealer · Control4 Gold Dealer · 415 Railroad Ave S, Kent, WA 98032 · Ships nationwide to all 50 states · Professional installation available in Western Washington · WA Contractor Lic. RIVASGL799DR\u003c\/div\u003e\n\u003cdiv class=\"auth-badges\"\u003e\n\u003cspan class=\"auth-badge\"\u003e\u003csvg width=\"10\" height=\"10\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#00B4D8\" stroke-width=\"3.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e Ajax Certified\u003c\/span\u003e \u003cspan class=\"auth-badge\"\u003e\u003csvg width=\"10\" height=\"10\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#00B4D8\" stroke-width=\"3.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e Control4 Gold\u003c\/span\u003e \u003cspan class=\"auth-badge\"\u003e\u003csvg width=\"10\" height=\"10\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#00B4D8\" stroke-width=\"3.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e 30-Day Returns\u003c\/span\u003e \u003cspan class=\"auth-badge\"\u003e\u003csvg width=\"10\" height=\"10\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#00B4D8\" stroke-width=\"3.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpolyline points=\"20 6 9 17 4 12\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e Support For Everyone\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"auth-tagline\"\u003eDesigned together. Built to disappear.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Ajax Systems","offers":[{"title":"Black","offer_id":44842211016758,"sku":null,"price":179.0,"currency_code":"USD","in_stock":true},{"title":"White","offer_id":44842211049526,"sku":null,"price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/5144\/7094\/files\/FireProtect2BL2.jpg?v=1771536633","url":"https:\/\/shop.rivastechgroup.com\/products\/ajax-smoke-and-carbon-monoxide-detector","provider":"Rivas Technology Group","version":"1.0","type":"link"}