Aprilaire 4238 Circuit Board
$31.86
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Aprilaire 4238 Circuit Board
$31.86
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- Free shipping on every order.
- Orders are usually processed within 2-3 business days.
- Estimated delivery is typically 2-5 business days after processing.
- Eligible after-sales requests are covered by a 30-day support window.
- After-sales requests are usually reviewed within 15 business days.
Circuit Board with wiring harness for whole house fan-powered humidifiers. Includes wiring harness. Replacement circuit board with transformer for many brands/models of whole house humidifiers. Same as Aprilaire 4238. Board includes relay and transformer that supply 115V to fan motor and 24V to solenoid when system humidistat switch calls.