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The Aprilaire Scale Control Insert 4181 is a u-shaped component that encases the water panel in models 350 and 360. This insert serves as a filter or pad frame, located inside the humidifier. Its main purpose is to prevent mineral build-up within the humidifier cabinet and redirect excess water to the drain.
Efficiently controls mineral deposits while maintaining proper humidity levels.
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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