Frigidaire 24-Inch Top-Control Built-In Tall Tub vs WD21X31906 Dishwasher Electronic Control Board
Updated July 2026 — Frigidaire 24-Inch Top-Control Built-In Tall Tub leads on price and sales rank.
The Frigidaire dishwasher offers comprehensive features and performance, making it the better choice for those needing a complete appliance. The WD21X31906 control board is a practical option for repairs but lacks the functionality of a full dishwasher.
Why Frigidaire 24-Inch Top-Control Built-In Tall Tub is better
Comprehensive Features
The Frigidaire offers multiple wash cycles and advanced drying technology.
Performance
Operates quietly at 52 dBA, ideal for home use.
Capacity
Can accommodate up to 14 place settings.
Why WD21X31906 Dishwasher Electronic Control Board is better
Cost
The control board is significantly cheaper.
Specific Function
Designed specifically for replacing malfunctioning parts.
OEM Quality
Genuine OEM part ensures compatibility.
Overall score
Specifications
| Spec | Frigidaire 24-Inch Top-Control Built-In Tall Tub | WD21X31906 Dishwasher Electronic Control Board |
|---|---|---|
| Brand | Frigidaire | Allstar Appliance Parts |
| Type | Dishwasher | Control Board |
| Material | Plastic Tub | OEM |
| Function | Washing | Replacement |
| Warranty | Limited | None |
Dimension comparison
Overview of the Products
In this comparison, we look at the Frigidaire 24-Inch Top-Control Built-In Tall Tub Dishwasher and the WD21X31906 Dishwasher Electronic Control Board. These products serve very different purposes: one is a complete dishwasher designed for efficient cleaning of dishes, while the other is an electronic control board intended for replacing a malfunctioning component in a dishwasher. The Frigidaire dishwasher is priced at $479.00, whereas the control board is significantly cheaper at $183.99, making it about 63% less expensive.
Design and Build Quality
The Frigidaire dishwasher boasts a tall tub design that accommodates up to 14 place settings, making it ideal for larger households. Its sleek black stainless steel finish not only enhances aesthetics but also suggests durability. In contrast, the WD21X31906 control board is a functional component that is not designed for visual appeal but rather for reliable operation within a dishwasher. While the dishwasher’s design is focused on user experience and cleaning performance, the control board prioritizes compatibility and functionality as a replacement part.
Features and Functionality
The Frigidaire dishwasher features four wash cycles and utilizes DishSense sensor technology to optimize cleaning. Additionally, it offers a MaxDry heated drying system, ensuring that dishes come out clean and dry, enhancing user satisfaction. On the other hand, the WD21X31906 control board does not offer features in the traditional sense; its primary function is to replace existing electronic controls. It is a genuine OEM part that ensures compatibility with various models. While the Frigidaire is rich in features for everyday use, the control board serves a specific purpose that is vital for the dishwasher's operation but lacks additional functionality.
Performance and Efficiency
Performance-wise, the Frigidaire dishwasher operates quietly at 52 dBA, which is ideal for households that value a peaceful environment. Its efficient cleaning capabilities, supported by triple spray arms, ensure thorough washing of dishes. The control board, while not directly comparable in terms of performance, plays a crucial role in the overall functionality of the dishwasher. If the control board fails, it can significantly impact the dishwasher's performance. Thus, while the Frigidaire excels in cleaning, the control board’s efficiency is tied to the appliance's operational integrity.
Price Comparison
When it comes to price, the Frigidaire dishwasher is listed at $479.00, while the WD21X31906 control board is priced at $183.99. This results in a price difference of $295.01, indicating that the dishwasher is approximately 63% more expensive than the control board. For consumers on a budget or those seeking a simple repair solution, the control board may seem like the more appealing option. However, it is essential to recognize that the higher price of the dishwasher reflects its comprehensive functionality and added convenience in the kitchen.
Target Audience
The Frigidaire dishwasher is aimed at families and individuals who require an efficient, high-capacity cleaning solution. Its features are particularly beneficial for those who host gatherings or have larger households. Conversely, the WD21X31906 control board is targeted towards DIY enthusiasts or appliance repair technicians who need to replace a failing part in an existing dishwasher. Each product serves a distinct audience with unique needs, emphasizing the importance of identifying the right solution based on individual circumstances.
Customer Satisfaction and Popularity
The Frigidaire dishwasher has a sales rank of 5,338, indicating a solid presence in the market as a reliable choice for consumers. Its combination of features and performance likely contributes to its popularity among buyers seeking a dependable dishwasher. In contrast, the WD21X31906 control board has a better sales rank of 4,067, suggesting that it is a sought-after part for repairs, possibly due to the frequency of dishwasher control board issues in the field. This popularity underscores the importance of availability and trust in replacement parts for maintaining appliance longevity.
Which should you buy?
Choosing between the Frigidaire dishwasher and the WD21X31906 control board depends entirely on your needs. If you are looking for a comprehensive solution for washing dishes efficiently and quietly, the Frigidaire dishwasher is the clear choice, offering a host of features for a price of $479.00. However, if you are dealing with a malfunctioning dishwasher and require a replacement part, the WD21X31906 control board at $183.99 is a practical and cost-effective option. Ultimately, your decision should reflect whether you need a complete appliance or a specific replacement component.

