Circuit Board Kit Replacement for Atwood 91504 – NBK-12528K

Circuit Board Kit – Atwood 91504 Replacement – NBK-12528K The NBK-12528K Circuit Board Kit is a direct replacement designed for Atwood RV furnace systems. This kit replaces Atwood part number 91504 and is also compatible with 91420, 91606, and 91363 models. The 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. Key Features Direct Replacement: Compatible with Atwood 91504 Multi-Model Compatibility: Also replaces 91420, 91606, and 91363 Reliable Ignition Control: Supports safe furnace startup and operation OEM-Compatible Fit: Designed for straightforward installation Restores Heating Function: Ideal for troubleshooting ignition failures Specifications SKU: 12528K UPC: 810069180441 Category: Ignition Control, RV Parts OEM Brand: Atwood Replaces OEM: 91504 Direct Replacement For Atwood: 91363, 91420, 91504, 91606 Why Choose NBK-12528K? The NBK-12528K Circuit Board Kit 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. Installation Tips Disconnect 12V DC power before servicing the furnace. Label and verify wiring connections before removal. Inspect igniter and flame sensor when replacing the board. Ensure secure mounting to avoid vibration damage. Test furnace startup sequence after installation. Pairs Well With Igniters, Flame Sensors, Furnace Gas Valves, Limit Switches, RV Blower Motors SPECIAL ORDER NOTICE: This item is sourced through our special order program. Please allow 1–2 business days for processing prior to shipment.