Description
This is a BRAND NEW OEM Aprilaire Humidifier Control Circuit Board. The Aprilaire part # is 4238 (also EM1701). Thanks for looking and good luck!
Function:
Humidifiers increase the humidity in room or building. A humidifier that is attached to your HVAC system will increase the humidity coming out of the home's air duct registers.
Replaces Old Part #s:
4238 EM1701
Repair Difficulty Level:
Partial List of Units that Use This Item:
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