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The Aprilaire 4978 Replacement Electrode Wires are designed for Aprilaire Whole House Steam Humidifier Models 800, 800LC, 801, 865, and 866. This pack contains two electrode wires which generate electrical current to boil water and create steam for humidification. Regular inspection and replacement every three years is recommended to maintain peak performance and safety. These wires help prevent respiratory infections and allergy symptoms by ensuring balanced humidity.
These genuine Aprilaire electrode wires should be inspected annually and replaced every three years, or sooner if needed, to maintain optimal performance of your steam humidifier.
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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