Replacement latches for Whirlpool Duet dryers and washers can be purchased through online retailers such as Appliance Parts Pros, Appliance Parts Liquidator, Parts Dr. and Amazon. Door latches for Duet dryers cost significantly less than replacement latches for Duet washers.
Since the door latch for Duet washers is triggered by a switch, the entire switch assembly needs to be replaced in order to repair the Duet washer door latch. Amazon sells Whirlpool Duet washer door lock latch switches for Duet models 8183270-WH and 8182634-WH that cost between $43.25 and $75, as of 2015. Parts Dr. also sells lock latch switches for the Duet washer model 8182634-WH that cost $51.91 plus $6.99 for shipping. The Parts Dr. website also provides users with step-by-step instructions on how to replace the part.
Duet door latches for dryers are significantly cheaper and easier to find. All Duet dryer models use similar door latches as well. The Duet dryer door latch kit sold on the Appliance Parts Pros website is priced at $3.95. The online retailer also offers a 365-day return policy, as well as free technical support. Appliance Parts Liquidator also sells Duet dryer door latches that are priced at 99 cents. However, the website does charge a flat rate shipping fee of $6.95 on all its orders.