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EdgeStar BIDW1802SS vs WD21X31906 Dishwasher Electronic Control Board

Updated July 2026 — EdgeStar BIDW1802SS leads on weight and noise level.

The EdgeStar BIDW1802SS is a complete dishwasher with multiple features, while the WD21X31906 is a budget-friendly replacement part. Choose based on your need for a new appliance or a repair part.

Why EdgeStar BIDW1802SS is better

Complete Appliance

EdgeStar BIDW1802SS is a fully functional dishwasher.

Features

Offers six wash cycles and multiple options.

Capacity

Accommodates up to eight place settings.

Why WD21X31906 Dishwasher Electronic Control Board is better

Price

WD21X31906 is significantly cheaper.

OEM Part

Genuine replacement part for specific dishwashers.

Repair Solution

Essential for restoring functionality to existing units.

Overall score

EdgeStar BIDW1802SS
85
WD21X31906 Dishwasher Electronic Control Board
60

Specifications

SpecEdgeStar BIDW1802SSWD21X31906 Dishwasher Electronic Control Board
Price$539.00$183.99
Sales Rank6574067
Wash Cycles6N/A
Control BoardN/AWD21X31906
Sanitize OptionYesNo

Dimension comparison

EdgeStar BIDW1802SSWD21X31906 Dishwasher Electronic Control Board

Introduction to EdgeStar BIDW1802SS and WD21X31906

When considering appliances for your kitchen, the EdgeStar BIDW1802SS built-in dishwasher and the WD21X31906 dishwasher electronic control board serve distinctly different purposes. The EdgeStar BIDW1802SS is a fully functional dishwasher designed to wash dishes efficiently, while the WD21X31906 is a replacement part for dishwashers requiring an electronic control board. This comparison will help you determine which product aligns better with your needs.

Price Comparison

The EdgeStar BIDW1802SS has a price of $539.00, making it a significant investment for those looking for a new dishwasher. In contrast, the WD21X31906 is priced at $183.99, which is about 66% less than the EdgeStar model. While the EdgeStar offers a complete washing solution, the WD21X31906 is a budget-friendly option for those who need to repair or replace their existing dishwasher’s electronic control board. Depending on your situation—whether you need a new appliance or a replacement part—this price difference could be a deciding factor.

Functionality and Features

The EdgeStar BIDW1802SS is designed to accommodate up to eight place settings with features like a silverware basket and cup tray, making it ideal for small families or apartments. It offers six wash cycles and three options, including a sanitize function. On the other hand, the WD21X31906 is a genuine OEM part that replaces various control board models and is essential for the operation of certain dishwashers. If you need a fully operational dishwasher, the EdgeStar BIDW1802SS provides a complete package, whereas the WD21X31906 is crucial for restoring functionality to an existing unit.

Installation and Usability

Installing the EdgeStar BIDW1802SS is straightforward for those replacing an older appliance, particularly if you are swapping out a trash compactor. The unit operates quietly at 52dB, minimizing noise disturbance during use. In contrast, the WD21X31906 requires careful installation; if the part does not match your existing appliance, it cannot be returned once installed. For users comfortable with DIY repairs, the control board can be a simple fix, but it requires the correct identification of the part number to ensure compatibility.

Target Audience

The EdgeStar BIDW1802SS is aimed at new homeowners or those upgrading their kitchen appliances. Its design and features cater to individuals seeking efficiency and convenience in dishwashing. Conversely, the WD21X31906 is targeted toward users who already own a compatible dishwasher and need to replace a malfunctioning control board. This distinction means that potential buyers must consider their specific needs: a complete appliance versus a repair part.

Performance and Reliability

With a sales rank of 657, the EdgeStar BIDW1802SS has demonstrated reliability and popularity among users seeking a compact dishwasher. The six wash cycles and additional options support various cleaning needs, ensuring that dishes come out clean. The WD21X31906, while not a complete appliance, is necessary for maintaining the performance of dishwashers that require its specific electronic control board. Its sales rank of 4067 reflects its importance in the repair market but does not indicate the same level of user engagement as a complete dishwasher.

Maintenance and Care

Maintaining the EdgeStar BIDW1802SS involves regular cleaning of filters and ensuring the spray arms are free of blockage, much like any other dishwasher. The unit's design includes features that promote longevity, such as a leakage sensor to prevent water damage. In contrast, the WD21X31906, being a component, requires no maintenance itself but is subject to installation care. Ensuring proper handling during installation is essential, as improper installation can lead to failure. This difference in maintenance underscores the practicality of investing in a complete appliance versus a replacement part.

Which should you buy?

Ultimately, the choice between the EdgeStar BIDW1802SS and the WD21X31906 hinges on your specific needs. If you're in the market for a new dishwasher that offers a range of features and functionality, the EdgeStar BIDW1802SS at $539.00 is a solid investment. However, if your existing dishwasher is in need of repair and requires a replacement electronic control board, the WD21X31906 at $183.99 represents a cost-effective solution. Assessing your current situation and future needs will guide you toward the best choice for your kitchen.