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Aprilaire Humidifier Knob, Dial & Button Parts

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Product Type

  • Humidifier

Brand

  • Aprilaire

Part Category

  • Knob, Dial & Button

Common Problems

Knob

RepairClinic Item # 820822

Grid is 1 inch square
Knob - Part # 820822 Mfg Part # 4166

Knob (top cover)

Manufacturer Number 4166