{"product_id":"20210","title":"Furnace Control Board Replacement for Suburban SB521099 – NBK-20210","description":"\u003ch2\u003eFurnace Control Board Replacement – NBK-20210\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNBK-20210 Furnace Control Board\u003c\/strong\u003e is a direct replacement designed for Suburban RV furnace systems. This ignition control board restores proper burner startup, safe operation, and consistent heating performance.\u003c\/p\u003e\n\u003cp\u003eCompatible with OEM part numbers \u003cstrong\u003eSB521099\u003c\/strong\u003e and \u003cstrong\u003e232613\u003c\/strong\u003e, this control board is an essential component for maintaining reliable furnace ignition and temperature regulation in RV applications.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect OEM Replacement:\u003c\/strong\u003e Replaces Suburban SB521099 and 232613\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Ignition Control:\u003c\/strong\u003e Supports safe furnace startup and operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRV Furnace Compatibility:\u003c\/strong\u003e Designed specifically for Suburban heating systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Electronics:\u003c\/strong\u003e Built for long-lasting performance in mobile environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 20210\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Ignition Control, RV Parts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM:\u003c\/strong\u003e Suburban\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaces OEM:\u003c\/strong\u003e SB521099, 232613\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 810069180601\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDirect Replacement For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuburban:\u003c\/strong\u003e SB521099\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuburban:\u003c\/strong\u003e 232613\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose NBK-20210?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eNBK-20210 Furnace Control Board\u003c\/strong\u003e provides a dependable solution for replacing failed or outdated Suburban ignition boards. It helps restore safe ignition sequencing and reliable furnace heating, keeping your RV comfortable in colder conditions.\u003c\/p\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDisconnect RV power and shut off propane supply before servicing.\u003c\/li\u003e\n\u003cli\u003eLabel wiring connections prior to removing the old board.\u003c\/li\u003e\n\u003cli\u003eMount securely and ensure proper grounding.\u003c\/li\u003e\n\u003cli\u003eTest furnace ignition cycle after installation.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended for propane heating components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePairs Well With\u003c\/h3\u003e\n\u003cp\u003eIgniters, Flame Sensors, Furnace Wiring Harnesses, Limit Switches, RV Thermostats\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIAL ORDER NOTICE:\u003c\/strong\u003e This item is sourced through our special order program. Please allow 1–2 business days for processing prior to shipment.\u003c\/p\u003e","brand":"Suburban","offers":[{"title":"Default Title","offer_id":52401226809712,"sku":"SO-20210","price":141.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/4463\/3444\/files\/20210-37857.webp?v=1771269150","url":"https:\/\/total-hearth.com\/products\/20210","provider":"Total Hearth","version":"1.0","type":"link"}