{"product_id":"honeywell-ra890f1270-flame-safeguard-control-120vac-burner-protectorelay-safety-unit","title":"Honeywell RA890F1270 Flame Safeguard Control 120VAC Burner Protectorelay Safety Unit","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003eThe Honeywell RA890F1270 is a flame safeguard primary control unit designed to monitor and manage burner operations using electronic rectification flame detection. Operating at 120 VAC, it provides reliable safety timing, rapid flame response, and built-in protection features for industrial and commercial combustion systems.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable width=\"100%\" style=\"height: 351.344px; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 28.5625px;\"\u003e\n\u003cth style=\"width: 27.0909%; text-align: left; height: 28.5625px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eCondition\u003c\/th\u003e\n\u003ctd style=\"width: 72.5455%; height: 28.5625px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 23.1719px;\"\u003e\n\u003cth style=\"width: 27.0909%; text-align: left; height: 23.1719px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eBrand\u003c\/th\u003e\n\u003ctd style=\"width: 72.5455%; height: 23.1719px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e\u003cspan data-sheets-root=\"1\"\u003eHoneywell\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 23.9219px;\"\u003e\n\u003cth style=\"width: 27.0909%; text-align: left; height: 23.9219px;\"\u003eCategory\u003c\/th\u003e\n\u003ctd style=\"width: 72.5455%; height: 23.9219px;\"\u003e\n\u003cdiv class=\"mt-1 md:mt-0 column-left basis-2\/4 divide-y divide-rad-gray-10 border-b-[0.0625rem] border-rad-gray-10 md:border-0\"\u003e\n\u003cdiv class=\"flex gap-[1.75rem] md:gap-x-0 xl:gap-x-[1.875rem]\"\u003e\n\u003cdiv class=\"text-body-4 w-full font-light py-5 pl-4 md:py-6 md:pl-6 text-rad-gray-70\"\u003e\n\u003cdiv class=\"max-w-[8rem] break-words\"\u003e\n\u003cspan\u003e\u003c\/span\u003eFlame Safety Controls\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.75px;\"\u003e\n\u003cth style=\"width: 27.0909%; text-align: left; height: 24.75px;\"\u003ePart Number\u003c\/th\u003e\n\u003ctd style=\"width: 72.5455%; height: 24.75px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003eRA890F1270\u003cbr\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.7344px;\"\u003e\n\u003cth style=\"width: 27.0909%; text-align: left; height: 19.7344px;\"\u003e\u003cspan\u003eSubcategory\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 72.5455%; height: 19.7344px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan\u003ePrimary Burner Controls \/ Protectorelays\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 27.0909%; text-align: left; height: 19.5938px;\"\u003eVoltage\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 72.5455%; height: 19.5938px;\"\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.3594px;\"\u003e\n\u003cth style=\"width: 27.0909%; text-align: left; height: 24.3594px;\"\u003eSafety Timing\u003c\/th\u003e\n\u003ctd style=\"width: 72.5455%; height: 24.3594px;\"\u003e15 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 30.375px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 27.0909%; text-align: left; height: 30.375px;\"\u003eFlame Response Time\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 72.5455%; height: 30.375px;\"\u003e0.8 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 29.375px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 27.0909%; text-align: left; height: 29.375px;\"\u003eAlarm Output\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 72.5455%; height: 29.375px;\"\u003eYes (SPDT relay contacts)\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.75px;\"\u003e\n\u003cth style=\"width: 27.0909%; text-align: left; height: 26.75px;\"\u003eMount Compatibility\u003c\/th\u003e\n\u003ctd style=\"width: 72.5455%; height: 26.75px;\"\u003eQ270A1024 Sub-base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003cth style=\"width: 27.0909%; text-align: left; height: 39.1875px;\"\u003eReplacement Compatibility\u003c\/th\u003e\n\u003ctd style=\"width: 72.5455%; height: 39.1875px;\"\u003eReplaces RA890E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 27.0909%; text-align: left; height: 19.5938px;\"\u003eStartup Protection\u003c\/th\u003e\n\u003ctd style=\"width: 72.5455%; height: 19.5938px;\"\u003eSafe-start check, ignition crossover protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 27.0909%; text-align: left; height: 19.5938px;\"\u003eAmbient Temperature\u003c\/th\u003e\n\u003ctd style=\"width: 72.5455%; height: 19.5938px;\"\u003e-20°F to 115°F (-29°C to 46°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22.375px;\"\u003e\n\u003cth style=\"width: 27.0909%; text-align: left; height: 22.375px;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"width: 72.5455%; height: 22.375px;\"\u003e\u003cspan\u003e3 lbs.\u003cbr\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eRA890F1270\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe RA890F1270 is a solid-state Protectorelay control designed to provide safe startup, flame monitoring, and lockout protection for burners. It is a direct replacement for the RA890E and is fully compatible with the Q270A1024 sub-base, allowing easy retrofitting without rewiring. This control performs a safe-start check to ensure there is no flame present before start-up and includes recycling logic in the event a flame signal is lost during the run cycle. If the system fails to establish a flame during pilot ignition, the RA890F1270 initiates a lockout to protect the burner. Built-in SPDT alarm contacts and fast flame response time enhance its effectiveness in critical safety applications. The thermoplastic base and captive mounting screws simplify installation and ensure long-lasting durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eElectronic Rectification Flame Detection: Provides precise monitoring and reliable control using flame rod systems.\u003c\/li\u003e\n\u003cli\u003eSafe-Start Check: Prevents startup in the presence of a false flame signal to ensure operational safety.\u003c\/li\u003e\n\u003cli\u003eIgnition Crossover Protection: Guards against cross-conduction errors in flame rod installations.\u003c\/li\u003e\n\u003cli\u003eReplaces RA890E: Backward compatible with RA890E and fits Q270A1024 sub-base for direct replacement.\u003c\/li\u003e\n\u003cli\u003eBuilt-In Alarm Contacts: SPDT alarm relay provides output for remote status or fault signaling.\u003c\/li\u003e\n\u003cli\u003eSolid-State Circuitry: Delivers consistent and durable flame monitoring without mechanical wear.\u003c\/li\u003e\n\u003cli\u003eFast Flame Response: Reacts within 0.8 seconds for real-time fault detection.\u003c\/li\u003e\n\u003cli\u003eRugged Thermoplastic Base: Resilient housing designed to endure mechanical and thermal stress.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe RA890F1270 enhances combustion system safety with fast flame detection, auto-recycle functionality, and proven compatibility with Honeywell mounting bases.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49105374642432,"sku":"RA890F1270","price":2659.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/11_a197e5aa-8077-46f4-bc63-42f2c5b0ece9.png?v=1785545786","url":"https:\/\/alotechparts.com\/products\/honeywell-ra890f1270-flame-safeguard-control-120vac-burner-protectorelay-safety-unit","provider":"Alo Tech Solutions","version":"1.0","type":"link"}