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Read our privacy policyUpgrade your heating system with the Reznor RZ257531 Ignition Control Conversion Kit. This genuine OEM conversion kit is designed to replace or upgrade the ignition control system in compatible Reznor heating equipment, helping restore reliable ignition, safe operation, and consistent performance. Manufactured to original equipment specifications, it provides a precise fit, dependable functionality, and long-lasting durability.
For installation information, refer to the Replacement Kit Installation Instruction.