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Aprilaire Circuit Board & Timer Parts

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Product Type

  • Humidifier

Brand

  • Aprilaire

Part Category

  • Circuit Board & Timer

Common Problems

Main Control Board

RepairClinic Item # 820864

Grid is 1 inch square
Main Control Board - Part # 820864 Mfg Part # 4238

Circuit board assembly

Manufacturer Number 4238

$69.75

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