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The Reznor 1033741R is a DSI (Direct Spark Integrated) ignition control board. This part is essential for various Reznor models including UBX, UDX, UBZ, and UDZ. The board is manufactured by Nortek and is a direct replacement for faulty ignition control units.
This ignition control board plays a crucial role in the ignition system of select Reznor heaters, ensuring proper operation.
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