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Aprilaire Humidifier Model 400 Parts

Aprilaire Humidifier Model 400 Parts

Featured parts for Aprilaire Humidifier

9 results

Valve for humidifier, 24 volt. Includes replacement instructions. The water inlet valve allows water to enter the humidifier.


Yellow orifice, sold individually


Transformer (remote) - Converts 110 volts to 24 volts

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FloodStop FS1/4C is point of use, leak detection and automatic water shut-off system designed for residential and commercial dwellings. The FS1/4C uses a Motorized Ball Valve to automatically shut off the water supply whenever your icemaker, refrigerator, humidifier or water filter leaks!


Humidistat kit with automatic temperature sensing bulb


Aprilaire water panel 45 - Dimensions: 10"x12-3/4"x1-3/4"

Aprilaire Humidifier Model 400 Parts

Aprilaire Humidifier Model 400 Parts are easily labeled on this page to help you find the correct component for your repair. Filter results by category, title and symptom. You can also view diagrams and manuals, review common problems that may help answer your questions, watch related videos, read insightful articles or use our repair help guide to get started. For additional assistance, please contact our customer service number at 1-800-269-2609, 24-hours a day, seven-days a week or send us a message in the live chat box at the top left or bottom right corners of the page.

Common Problems
With most appliances and equipment there are only a handful of problems that crop up. Since 1912, we've learned to recognize the most common problems ― and their solutions. Do any of these look familiar?