{"product_id":"12528k","title":"Circuit Board Kit Replacement for Atwood 91504 – NBK-12528K","description":"\u003ch2\u003eCircuit Board Kit – Atwood 91504 Replacement – NBK-12528K\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNBK-12528K Circuit Board Kit\u003c\/strong\u003e is a direct replacement designed for Atwood RV furnace systems. This kit replaces \u003cstrong\u003eAtwood part number 91504\u003c\/strong\u003e and is also compatible with 91420, 91606, and 91363 models.\u003c\/p\u003e\n\u003cp\u003eThe circuit board serves as the control center for furnace ignition and operation. Replacing a faulty board helps restore proper startup sequence, flame sensing, and overall heating performance.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e Compatible with Atwood 91504\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Model Compatibility:\u003c\/strong\u003e Also replaces 91420, 91606, and 91363\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\u003eOEM-Compatible Fit:\u003c\/strong\u003e Designed for straightforward installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestores Heating Function:\u003c\/strong\u003e Ideal for troubleshooting ignition failures\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 12528K\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 810069180441\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 Brand:\u003c\/strong\u003e Atwood\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaces OEM:\u003c\/strong\u003e 91504\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDirect Replacement For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAtwood:\u003c\/strong\u003e 91363, 91420, 91504, 91606\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose NBK-12528K?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eNBK-12528K Circuit Board Kit\u003c\/strong\u003e provides a dependable solution for restoring proper ignition and furnace control in Atwood RV heating systems. It is an essential replacement component for resolving ignition lockouts, inconsistent heating, or startup failures.\u003c\/p\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDisconnect 12V DC power before servicing the furnace.\u003c\/li\u003e\n\u003cli\u003eLabel and verify wiring connections before removal.\u003c\/li\u003e\n\u003cli\u003eInspect igniter and flame sensor when replacing the board.\u003c\/li\u003e\n\u003cli\u003eEnsure secure mounting to avoid vibration damage.\u003c\/li\u003e\n\u003cli\u003eTest furnace startup sequence after installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePairs Well With\u003c\/h3\u003e\n\u003cp\u003eIgniters, Flame Sensors, Furnace Gas Valves, Limit Switches, RV Blower Motors\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":"Atwood","offers":[{"title":"Default Title","offer_id":52401227563376,"sku":"SO-12528K","price":138.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/4463\/3444\/files\/12528K-91504-2-scaled.webp?v=1771195816","url":"https:\/\/total-hearth.com\/products\/12528k","provider":"Total Hearth","version":"1.0","type":"link"}