{"product_id":"honeywell-rm7890b1030-7800-series-on-off-primary-burner-control","title":"Honeywell RM7890B1030 7800 Series On-Off Primary Burner Control","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe Honeywell RM7890B1030 is a 7800 Series on-off primary burner control designed for automatically fired gas, oil, or combination fuel burners. It provides burner sequencing, flame supervision, status monitoring, and lockout functions with a 120 VAC, 50\/60 Hz power supply.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable style=\"width: 77.3597%; height: 464.416px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003ctd style=\"width: 38.7964%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.7654%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 23.6389px;\"\u003e\n\u003ctd style=\"width: 38.7964%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.7654%;\"\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 30.6389px;\"\u003e\n\u003ctd style=\"width: 38.7964%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.7654%;\"\u003eHVAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003ctd style=\"width: 38.7964%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.7654%;\"\u003eRM7890B1030\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1944px;\"\u003e\n\u003ctd style=\"width: 38.7964%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.7654%;\"\u003eBurner Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003ctd style=\"width: 38.7964%;\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.7654%;\"\u003e7800 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1944px;\"\u003e\n\u003ctd style=\"width: 38.7964%;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.7654%;\"\u003eAutomatically Fired Gas, Oil, or Combination Fuel Burners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 18.1944px;\"\u003e\n\u003ctd style=\"width: 38.7964%;\"\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.7654%;\"\u003e120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1944px;\"\u003e\n\u003ctd style=\"width: 38.7964%;\"\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.7654%;\"\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003ctd style=\"width: 38.7964%;\"\u003e\u003cstrong\u003ePilot Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.7654%;\"\u003eIntermittent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003ctd style=\"width: 38.7964%;\"\u003e\u003cstrong\u003ePilot Flame Establishing Period\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.7654%;\"\u003eFixed 4 or 10 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 38.7964%;\"\u003e\u003cstrong\u003eFlame Loss Operation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.7654%;\"\u003eSelectable Relight or Lockout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 38.7964%;\"\u003e\u003cstrong\u003eIndication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.7654%;\"\u003eFive LEDs for Sequence Information\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 38.7964%;\"\u003e\u003cstrong\u003eAdditional Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.7654%;\"\u003eShutter Drive, Alarm Output on Lockout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 38.7964%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 60.7654%;\"\u003e2.42 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan\u003eRM7890B1030\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe RM7890B1030 is part of Honeywell’s 7800 Series relay module family for single-burner applications. It uses interchangeable plug-in flame amplifiers and requires a compatible Q7800 subbase and flame amplifier for operation. The control supports intermittent pilot operation, a fixed 4- or 10-second pilot flame establishing period, and an intermittent main flame establishing period. Its integrated diagnostics, non-volatile memory, LED sequence indication, and optional communication interfaces support burner system monitoring and troubleshooting.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003ePrimary Burner Control: Provides on-off control for automatically fired gas, oil, or combination fuel burners.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e120 VAC Operation: Designed for 120 VAC power at 50\/60 Hz.\u003c\/li\u003e\n\u003cli\u003eIntermittent Pilot: Supports intermittent pilot ignition with a fixed 4- or 10-second pilot flame establishing period.\u003c\/li\u003e\n\u003cli\u003eBurner Sequencing: Controls automatic burner operating sequences and flame supervision.\u003c\/li\u003e\n\u003cli\u003eFlame Monitoring: Supports selectable relight or lockout operation following loss of flame.\u003c\/li\u003e\n\u003cli\u003eDiagnostics: Provides system and self-diagnostic functions with five LEDs for sequence indication.\u003c\/li\u003e\n\u003cli\u003eNon-Volatile Memory: Retains historical files and lockout status after power loss.\u003c\/li\u003e\n\u003cli\u003eOptional Interfaces: Supports keyboard display, remote display, Modbus communication, and local or remote annunciation options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"auto\"\u003eThe RM7890B1030 delivers the reliability and precision required for automatic burner sequencing and flame supervision applications.\u003c\/p\u003e\n\u003cp id=\"p-rc_c7b8f4fae39e183e-25\"\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52729170821418,"sku":"RM7890B1030","price":799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l500_6ace74a7-655a-4596-a72e-8a1109b869c4.webp?v=1790093394","url":"https:\/\/iqelectro.com\/products\/honeywell-rm7890b1030-7800-series-on-off-primary-burner-control","provider":"IQElectro","version":"1.0","type":"link"}