{"product_id":"r7910b1020-honeywell-24-vdc-boiler-control-module-burner-sequencing","title":"R7910B1020 | Honeywell 24 VDC Boiler Control Module Burner Sequencing","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe Honeywell R7910B1020 is a 24 VDC boiler control module designed for managing and sequencing burner and safety functions in commercial and industrial boiler applications. Built for reliability, it integrates monitoring, control, and safety interlocks to ensure efficient and safe boiler operation. This model is discontinued but remains a critical replacement part for legacy boiler control systems.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100%; height: 313.501px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.2222%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.3585%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.2222%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.3585%; height: 19.5938px;\"\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.2222%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.3585%; height: 19.5938px;\"\u003eControls \u0026amp; Indicators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.2222%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.3585%; height: 19.5938px;\"\u003eR7910B1020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.2222%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.3585%; height: 19.5938px;\"\u003eControl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.2222%; height: 19.5938px;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.3585%; height: 19.5938px;\"\u003eBoiler Control Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.2222%; height: 19.5938px;\"\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.3585%; height: 19.5938px;\"\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 22.2222%; height: 39.1875px;\"\u003e\u003cstrong\u003eControl Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.3585%; height: 39.1875px;\"\u003eBurner sequencing, ignition control, flame supervision, safety lockout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.2222%; height: 19.5938px;\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.3585%; height: 19.5938px;\"\u003ePanel or rack mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 22.2222%; height: 39.1875px;\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.3585%; height: 39.1875px;\"\u003eWorks with compatible Honeywell flame sensors and limit controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.2222%; height: 19.5938px;\"\u003e\u003cstrong\u003eOperating Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.3585%; height: 19.5938px;\"\u003eCommercial\/industrial boilers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.2222%; height: 19.5938px;\"\u003e\u003cstrong\u003eObsolescence\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.3585%; height: 19.5938px;\"\u003eDiscontinued by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 22.2222%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 77.3585%; height: 19.5938px;\"\u003e2.00 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eR7910B1020\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"268\" data-end=\"990\"\u003eThe R7910B1020 belongs to Honeywell’s R7910B series of boiler control modules, engineered for precise fuel and ignition management. It supervises the complete boiler firing sequence, including pre-purge, ignition, flame monitoring, and post-purge, while ensuring compliance with safety requirements. Designed for use in conjunction with compatible flame sensors and limit controls, it provides automatic lockout in unsafe conditions. Although it is no longer in production, it is still available as surplus or refurbished stock and is widely used in existing installations to maintain operational continuity.\u003c\/p\u003e\n\u003cp data-start=\"992\" data-end=\"1011\"\u003e\u003cstrong data-start=\"992\" data-end=\"1009\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBoiler Control Module: Coordinates burner sequencing and safety interlocks for commercial boilers.\u003c\/li\u003e\n\u003cli\u003e24 VDC Operation: Designed for low-voltage industrial control systems.\u003c\/li\u003e\n\u003cli\u003eIntegrated Safety Lockout: Automatically shuts down the burner in unsafe conditions.\u003c\/li\u003e\n\u003cli\u003eSequence Control: Manages pre-purge, ignition, flame monitoring, and post-purge cycles.\u003c\/li\u003e\n\u003cli\u003eField Proven Reliability: Built for long-term use in demanding boiler environments.\u003c\/li\u003e\n\u003cli\u003eLegacy Replacement Part: Suitable for maintaining older Honeywell boiler control systems.\u003c\/li\u003e\n\u003cli\u003eCompact Design: Rack or panel-mountable to fit existing control setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe R7910B1020 delivers the safety, sequencing, and reliability required for efficient boiler operation in legacy heating systems.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49105257988352,"sku":"R7910B1020","price":968.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/s-l1600_f411e907-838e-4df3-ae94-22b19f39dc26.webp?v=1785543658","url":"https:\/\/alotechparts.com\/products\/r7910b1020-honeywell-24-vdc-boiler-control-module-burner-sequencing","provider":"Alo Tech Solutions","version":"1.0","type":"link"}