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Read our privacy policyProtect your heating system with the Reznor RZ050418 Limit Switch/Thermostat. This genuine OEM replacement is designed to monitor internal temperatures and help prevent overheating for safe, reliable operation. Featuring a 145–20°F temperature range, 60-ton capacity, and an 11-degree differential, it delivers a precise fit and dependable performance for compatible Reznor HVAC equipment. Direct replacement for Reznor 50418.
For installation information, refer to the Replacement Kit Installation Instruction.