Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number

Aprilaire 350 humidifier Parts

Here are the diagrams and repair parts for Aprilaire 350 humidifier, as well as links to manuals and error code tables, if available.

Aprilaire 350 humidifier
By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for 350 Humidifier

  • Humidistat for Aprilaire 350 - Part 4258

    Model 350 diagram

    Humidistat

    Part #4258

    The manufacturer no longer makes this part, and there's no substitute part

  • Drain Spud for Aprilaire 350 - Part 4187

    Model 350 diagram

    Drain Spud

    Part #4187

    The manufacturer no longer makes this part, and there's no substitute part

  • Bushing for Aprilaire 350 - Part 4196

    Model 350 diagram

    Bushing

    Part #4196

    The manufacturer no longer makes this part, and there's no substitute part

  • Valve Sole for Aprilaire 350 - Part 4191

    Model 350 diagram

    Valve Sole

    Part #4191

    The manufacturer no longer makes this part, and there's no substitute part

  • Housing for Aprilaire 350 - Part 4186

    Model 350 diagram

    Housing

    Part #4186

    The manufacturer no longer makes this part, and there's no substitute part

  • Nozzle for Aprilaire 350 - Part 4184

    Model 350 diagram

    Nozzle

    Part #4184

    The manufacturer no longer makes this part, and there's no substitute part

  • Bracket for Aprilaire 350 - Part 4202

    Model 350 diagram

    Bracket

    Part #4202

    The manufacturer no longer makes this part, and there's no substitute part

  • Scale Control Insert (12) for Aprilaire 350 - Part 4181

    Model 350 diagram

    Scale Control Insert (12)

    Part #4181

    The manufacturer no longer makes this part, and there's no substitute part

  • Compression Fitting (6) for Aprilaire 350 - Part 4076

    Model 350 diagram

    Compression Fitting (6)

    Part #4076

    The manufacturer no longer makes this part, and there's no substitute part

  • Bushing for Aprilaire 350 - Part 4197

    Model 350 diagram

    Bushing

    Part #4197

    The manufacturer no longer makes this part, and there's no substitute part

Repair guides for side-by-side refrigerators

How to replace an electronic control board on the back of a refrigerator

How to replace an electronic control board on the back of a refrigerator

If your refrigerator isn't running, an electronic control board failure could be the problem. A service technician can d…

Repair time and Difficulty

 15 minutes or less
How to replace a press-in door gasket in a side-by-side refrigerator

How to replace a press-in door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Repair time and Difficulty

 15 minutes or less
How to replace an ice maker in a side-by-side refrigerator

How to replace an ice maker in a side-by-side refrigerator

Learn how to replace the ice maker in a side-by-side refrigerator with these step-by-step instructions.…

Repair time and Difficulty

 30 minutes or less

Articles and videos for side-by-side refrigerators

How to reset the door alarm on a GE refrigerator

How to reset the door alarm on a GE refrigerator

Your fridge is tattling again. Here’s how to reset the door alarm on your GE refrigerator—and how to tell if the beeping…

How to Replace the Water Filter in a Kenmore Pro Refrigerator

How to Replace the Water Filter in a Kenmore Pro Refrigerator

Discover how easy it is to replace the water filter in a Kenmore Pro refrigerator.…

Common Refrigerator Ice Maker Problems and Solutions

Common Refrigerator Ice Maker Problems and Solutions

Find tips on how to fix the ice maker in your fridge when it isn't working or when it isn't working right.…

Parts & More

Air Compressor
Audio Equipment
Bottom-Mount Refrigerator
Canister Vacuum
Central Air Conditioner
Electric Range
Freestanding Freezer
Front-Engine Lawn Tractor
Gas Snowblower
Gas Walk-Behind Mower
Gas Wall Oven
Heating & Cooling Combined Unit
Office Equipment
Parts
Pressure Cooker
Rear-Engine Riding Mower
Wall Oven