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The Reznor RZ123974 Fan Limit Switch is essential for F/FE25/200-400 unit heaters. It monitors the heater's temperature to automatically shut off the fan if the temperature exceeds 135-30F. This function prevents overheating and extends the heater's lifespan.
This fan limit switch ensures safety and reliability in your heating system.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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