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Models > AD40J0

AD40J0 Whirlpool Dehumidifier - Overview

Get Parts and Repair Help for AD40J0

If you know the dehumidifier repair part you need, you can browse the list of all parts on the AD40J0, or you can search by name or part description. You can also find your part by where it is located on the AD40J0 by selecting a section below. Installation instructions provided by other do-it-yourselfers will help guide you through your repair.

Sections of the AD40J0

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Manuals & Care Guides for AD40J0

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$3.75

Hex Nut

This hex nut is an authentic Whirlpool part that is sourced directly from the original equipment manufacturer, and will fit a variety of appliances including ovens, microwaves, ref...

$3.02

Single Hex Head Screw

Sold individually. The size of this screw is 1/4" hex head and 10-12 x 1/2".

$4.12

Float

If the bucket is full indicator on your dehumidifier is on but the bucket is empty, you may have a problem with the float. If you notice that the float is warped or damaged, it sho...

$63.73

Bucket and Float Kit

This bucket and float kit, also known as water tank assembly, is for a dehumidifier is 14.5 inches long and 8.5 inches wide. The water tank extracts, traps, and contains the moisture from the air, which dehumidifies your room. The kit contains one bucket, one flat, and two screws for installation. The bucket is white and made of plastic. You may need to replace this part if your dehumidifier is no longer trapping the water properly. This is an authentic part from the genuine manufacturer, and you cannot order the parts individually.

$34.20

Humidistat Control

The humidistat control, used in dehumidifiers, switches the dehumidifier on and off automatically to maintain humidity. If the switch does not work, the humidifier will not maintai...

$4.87

TIE-WIRE

Bi-Metal Thermostat Control with Clamp

Also known as Dehumidifier anti-icing thermostat with clamp.

$4.68

Float Clip

The float clip works in a humidifier to ensure the float functions properly. The float is located near the humidifier bucket and monitors the water level as it rises and the clip keeps it in place. The float makes sure the water level is balanced and does not over flow. This float triggers the flow switch to shut off. If there is a defect with the clip, it can be a safety hazard as it might not be able to detect and stop an overflow. Make sure to unplug the dehumidifier from the power source before starting this replacement project as a safety precaution.

$58.12

Bucket Water Level Switch

This part is for your dehumidifier. The bucket water level switch is used to prevent water overflow when the bucket is full. You will not be able to tell if the switch has failed j...

$144.15

Fan Motor

This fan motor controls the circulating fan in the dehumidifier.

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The Origional Humidistat Quit Working

  • Customer: James from Silver Bay, MN
  • Difficulty: Really Easy
  • Time to Complete: Less than 15 mins
  • Tools Required: Screw drivers
  • 8 of 13 people found this instruction helpful
The knob one turns to set the humidity level was removed. The two screws holding the top on were removed. The top was lifted and swung to the side. After noting which of the two wires went where on the humidistat the wires were removed. Small flat screwdrivers were used to pry back the plastic retainers on one side of the original failed humidistat. The... read more

Evaporator freeze up

  • Customer: Greg from Suches, GA
  • Difficulty: Really Easy
  • Time to Complete: 15 - 30 mins
  • Tools Required: Screw drivers
  • 6 of 10 people found this instruction helpful
Troubleshoot on the schematic/wiring diagram to find the defective thermostat. Order a replacement part. Remove all outer covers to gain access to the thermostat. Only tool needed for this is a #2 phillips screwdriver. Cut the leads on the defective part and remove thermostat and replace thermostat, wire cutters/crimper required, splice the thermostat leads... read more

the humidity control broke

  • Customer: larry from tampa, FL
  • Difficulty: Really Easy
  • Time to Complete: 15 - 30 mins
  • Tools Required: Screw drivers
  • 7 of 14 people found this instruction helpful
Taking the case apart and replacing the control unit was a piece of cake. And the part arrived the very day after I ordered it. read more