{"product_id":"honeywell-rm7890a1056-u-on-off-primary-burner-control-with-vps-120vac","title":"Honeywell RM7890A1056\/U on-off primary burner control with VPS 120VAC","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe Honeywell RM7890A1056\/U is a microprocessor-based integrated on\/off primary burner control designed for automatically fired gas, oil, or combination fuel single burner applications. Operating at 120VAC and 50\/60 Hz, it includes a programmable Valve Proving Switch (VPS) check feature and blinking LED fault annunciation. This control supports an intermittent main flame establishing period and offers 4 or 10 second pilot flame establishing periods, functioning within -40 F to 140 F.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFunctions include automatic burner sequencing, flame supervision, system status indication, and self-diagnostics.\u003c\/li\u003e\n  \u003cli\u003eContains a Valve Proving Feature (VPS) that requires an S7800A1142 Keyboard Display for setup.\u003c\/li\u003e\n  \u003cli\u003eThe power LED blinks a fault code upon lockout, providing clear fault annunciation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003eMicroprocessor-based control with programmable VPS and LED fault annunciation for single burner applications.\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: HONEYWELL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: RM7890A1056\/U\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: Mexico\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: On-Off Primary Control With VPS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Conditions\u003c\/strong\u003e: -40 F To 140 F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency\u003c\/strong\u003e: 50\/60 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Honeywell HTS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e: RM7890A1056\/U\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApprovals\u003c\/strong\u003e: UL, FM, CSA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage\u003c\/strong\u003e: 120vac\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay Included\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterlocks\u003c\/strong\u003e: Lockout, Running\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMain Flame Establishing Period\u003c\/strong\u003e: Intermittent\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePilot Flame Establishing Period\u003c\/strong\u003e: 4 Sec, 10 Sec\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePilot Type\u003c\/strong\u003e: Intermittent\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePreignition\u003c\/strong\u003e: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"HONEYWELL","offers":[{"title":"Default Title","offer_id":51306660987186,"sku":"RM7890A1056\/U","price":922.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/309541977.jpg?v=1781294525","url":"https:\/\/voomisupply.com\/products\/honeywell-rm7890a1056-u-on-off-primary-burner-control-with-vps-120vac","provider":"Voomi Supply","version":"1.0","type":"link"}