{"product_id":"rm7890-a-honeywell-1056-burner-control","title":"RM7890 A | Honeywell 1056 Burner Control","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003eThe Honeywell RM7890 A is an advanced On\/Off primary burner control unit designed for safety monitoring of industrial gas and oil burners. Engineered to provide reliable flame safeguard and sequencing for single or dual fuel burners, it supports an extensive set of operational diagnostics and annunciation features. \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: 371.922px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 28.3594px;\"\u003e\n\u003cth style=\"width: 28.7273%; text-align: left; height: 28.3594px;\" 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: 70.9091%; height: 28.3594px;\" 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: 23px;\"\u003e\n\u003cth style=\"width: 28.7273%; text-align: left; height: 23px;\" 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: 70.9091%; height: 23px;\" 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: 23.75px;\"\u003e\n\u003cth style=\"width: 28.7273%; text-align: left; height: 23.75px;\"\u003eCategory\u003c\/th\u003e\n\u003ctd style=\"width: 70.9091%; height: 23.75px;\"\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\u003eBurner Management Systems\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: 30.0625px;\"\u003e\n\u003cth style=\"width: 28.7273%; text-align: left; height: 30.0625px;\"\u003ePart Number\u003c\/th\u003e\n\u003ctd style=\"width: 70.9091%; height: 30.0625px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003eRM7890 A\u003cbr\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 27.1875px;\"\u003e\n\u003cth style=\"width: 28.7273%; text-align: left; height: 27.1875px;\"\u003e\u003cspan\u003eSubcategory\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 70.9091%; height: 27.1875px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan\u003eFlame Safeguard Controllers\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 23px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 28.7273%; text-align: left; height: 23px;\"\u003eApplication\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 70.9091%; height: 23px;\"\u003eOn\/Off Primary Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 29.875px;\"\u003e\n\u003cth style=\"width: 28.7273%; text-align: left; height: 29.875px;\"\u003eVoltage\u003c\/th\u003e\n\u003ctd style=\"width: 70.9091%; height: 29.875px;\"\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 28.7273%; text-align: left; height: 39.1875px;\"\u003ePilot Flame Establishing Period\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 70.9091%; height: 39.1875px;\"\u003e4 sec or 10 sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 28.7273%; text-align: left; height: 39.1875px;\"\u003eMain Flame Establishing Period\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 70.9091%; height: 39.1875px;\"\u003eIntermittent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 23px;\"\u003e\n\u003cth style=\"width: 28.7273%; text-align: left; height: 23px;\"\u003eInterlocks\u003c\/th\u003e\n\u003ctd style=\"width: 70.9091%; height: 23px;\"\u003eSelectable (Running, Lockout)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 23px;\"\u003e\n\u003cth style=\"width: 28.7273%; text-align: left; height: 23px;\"\u003eDisplay Included\u003c\/th\u003e\n\u003ctd style=\"width: 70.9091%; height: 23px;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 28.7273%; text-align: left; height: 19.5938px;\"\u003eMounting\u003c\/th\u003e\n\u003ctd style=\"width: 70.9091%; height: 19.5938px;\"\u003ePanel-mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 28.7273%; text-align: left; height: 19.5938px;\"\u003ePower Consumption\u003c\/th\u003e\n\u003ctd style=\"width: 70.9091%; height: 19.5938px;\"\u003e6 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 23.125px;\"\u003e\n\u003cth style=\"width: 28.7273%; text-align: left; height: 23.125px;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"width: 70.9091%; height: 23.125px;\"\u003e\u003cspan\u003e2.5 lbs\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\"\u003eRM7890 A\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe RM7890 A is part of Honeywell’s 7800 Series burner control family and is configured as a primary On\/Off controller for automatic burner sequencing. It supports burner safety management through integrated fault annunciation LEDs and retains operation history after power loss via nonvolatile memory. The controller operates with intermittent pilot systems, offers selectable interlock options, and supports remote annunciation for system alerts. Advanced modular expandability allows integration with keyboard displays and remote reset modules for greater flexibility in complex systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated self-diagnostics with blinking LED fault annunciation.\u003c\/li\u003e\n\u003cli\u003eSupports modular accessories like keyboard displays and remote display modules.\u003c\/li\u003e\n\u003cli\u003eIntermittent pilot operation with 4 or 10-second flame establishing period.\u003c\/li\u003e\n\u003cli\u003eStores sequence and alarm history through nonvolatile memory.\u003c\/li\u003e\n\u003cli\u003eSelectable recycle or lockout based on flame\/airflow loss.\u003c\/li\u003e\n\u003cli\u003eCompatible with plug-in flame amplifiers and shutter drives.\u003c\/li\u003e\n\u003cli\u003eAirflow switch check and delayed main valve control.\u003c\/li\u003e\n\u003cli\u003eDesigned for panel mounting with screw terminal connections.\u003c\/li\u003e\n\u003cli\u003eFully programmable post-purge and interlock configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe RM7890 A ensures safe and precise burner operation by integrating intelligent fault detection and modular adaptability.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49105386373376,"sku":"RM7890 A","price":1468.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/control-de-flama-honeywell-rm7890a1056.jpg?v=1785546021","url":"https:\/\/alotechparts.com\/products\/rm7890-a-honeywell-1056-burner-control","provider":"Alo Tech Solutions","version":"1.0","type":"link"}