This is a humidistat control for a dehumidifier. The humidistat on your dehumidifier responds to the humidity in the air to determine if the appliance should continue to dehumidify or shut off, based on the desired humidity level. This control needs to be replaced if the dehumidifier wont shut off when the desired humidity level is reached. This part is approximately 3.5 inches long and 1.5 inches wide. The part will be easy to replace, simply remove the front cover, remove the humidistat from the bracket, and remove the two push-on wire connectors. Reverse this process to reinstall the control. Be sure to disconnect power to the dehumidifier before completing this repair.
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ANNE
October 17, 2019
The coils just started freezing up shortly after it is turned on. It is in a basement that is about 72 degrees. We have had this unit many years and love the big tank and the amount of water it pulls out of the air.
For model number White Westinghouse MDH40YW1
Hi Anne, if the room is above 65 degrees, then you will want to check the air flow, make sure there is room around the unit. Check for debris and build up and clean the unit. Thank you for your question and good luck with your repair!
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Customer Repair Stories
Average Repair Rating: 4.3 / 5.0, 6 reviews.
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Humidistat was inoperatative and the defrost thermostat.
Removed two screws holding the faceplate that held the humidistat. Removed knob, and two screws holding humidisat.. Removed two wires (push on terminals) . Reversed procedure to install new humididstat. Removed defrost thermostat from suction line, cut wires, installed new defrost thermostat, stripped wires, used wire nuts to connect control. Replaced faceplate..
Removed the front cover and then the humidistat from the bracket. Two push on wire connectors and then reversed. Very straightforward and excellent part matching. Given the prices for new dehumidifiers it was great to breathe life back into this unit which does its job well. Thanks for the easy to use web site and fast fast service!
Jonathan from New Oxford, PA
Difficulty Level:
Really Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
5 of 6 peoplefound this instruction helpful.
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Humidifier would not shut off
Removed cabinet and grill. Humidistat held in by 2 screws and a 3-wire harness. Dehumidifier working like a charm with the new part.
John from Presque Isle, MI
Difficulty Level:
Really Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
2 of 4 peoplefound this instruction helpful.
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Dehumidifier would not shut off
First I pulled the top/side cover off. Disconnected the terminals from the old unit, unscrewed the old unit, and put the terminals on the new unit. Then I put the side/top cover back on, screwed the new humidistat unit into the front cover and then popped and screwed the front cover back in place. Customer service was excellent and order was received promptly as promised. Highly recommend Parts Select!
William from Allentown, PA
Difficulty Level:
Really Easy
Total Repair Time:
1- 2 hours
Tools:
Nutdriver, Pliers
2 of 4 peoplefound this instruction helpful.
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Dehumidfier wouldn't turn off.
First I removed the two control knobs and the two screws that hold the front cover in place and then the two screws that hold the element in place. I then pulled the element out about 3 inches and disconnected the two wires. Then I reconnected the new humidistat and put everything back together. Works just fine, now.
Michael from Bethesda, MD
Difficulty Level:
Really Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
2 of 7 peoplefound this instruction helpful.
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Dehumidifier would not shut off automatically
Remove the front cover 2 screws on the bottom. Then removed the clip for the full light, then removed 2 more screws that held the humidistat. Removed the 2 power wires removed part. Reverse the uninstall procedure. Done
Kerwin from BUFFALO, NY
Difficulty Level:
Very Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers
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Model Cross Reference
This part works with the following models:
PartSelect Number: PS462294
Manufacturer Part Number: 5303296823
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