vsversusfinder

Frigidaire 24 in. Top Control Built-in Tall Tub vs WD21X31906 Dishwasher Electronic Control Board

Updated July 2026 — Frigidaire 24 in. Top Control Built-in Tall Tub wins on price and noise level, WD21X31906 Dishwasher Electronic Control Board wins on sales rank.

The Frigidaire dishwasher offers a complete and efficient dishwashing solution, while the WD21X31906 control board serves as a budget-friendly repair option. Choose based on your needs.

Why Frigidaire 24 in. Top Control Built-in Tall Tub is better

Complete Appliance

Frigidaire is a full dishwasher, while WD21X31906 is just a control board.

Features

Frigidaire offers multiple wash cycles and smart cleaning technology.

Capacity

Frigidaire can handle up to 12 place settings.

Why WD21X31906 Dishwasher Electronic Control Board is better

Cost

WD21X31906 is significantly cheaper.

Simplicity

Control board installation is simpler than installing a dishwasher.

Specific Use

WD21X31906 is essential for repairing existing dishwashers.

Overall score

Frigidaire 24 in. Top Control Built-in Tall Tub
85
WD21X31906 Dishwasher Electronic Control Board
65

Specifications

SpecFrigidaire 24 in. Top Control Built-in Tall TubWD21X31906 Dishwasher Electronic Control Board
BrandFrigidaireAllstar Appliance Parts
TypeDishwasherControl Board
Energy EfficiencyYesNo
InstallationComplexSimple
Smart FeaturesYesNo

Dimension comparison

Frigidaire 24 in. Top Control Built-in Tall TubWD21X31906 Dishwasher Electronic Control Board

Overview

When comparing the Frigidaire 24 in. Top Control Built-in Tall Tub Dishwasher and the WD21X31906 Dishwasher Electronic Control Board, a clear distinction arises between a complete appliance and a critical component of one. The Frigidaire dishwasher is priced at $479.00, making it a significant investment for a kitchen appliance, while the control board is notably cheaper at $183.99, offering a budget-friendly solution for repairs.

Price Comparison

The Frigidaire dishwasher is priced at $479.00, while the WD21X31906 control board costs $183.99. This means that the control board is about 62% cheaper than the dishwasher. If you're looking for a new appliance, the Frigidaire offers a full dishwashing solution, but if you're simply in need of a control board to repair an existing dishwasher, the lower cost of the WD21X31906 makes it an appealing option.

Brand Reputation

Frigidaire is a well-known brand in the appliance industry, recognized for its reliable and innovative products. The Frigidaire dishwasher ranks 1849 in sales, showcasing its popularity among consumers. In contrast, the WD21X31906 control board is produced by Allstar Appliance Parts, which specializes in replacement parts. While Allstar's brand may not carry the same household recognition as Frigidaire, it provides essential components that keep appliances functioning effectively.

Functionality and Features

The Frigidaire dishwasher offers a range of features, including five wash cycles such as Heavy and Quick, and operates quietly at 49 dBA. Its Smart Cleaning technology adjusts the water and cycle for optimal results, making it highly functional for daily use. On the other hand, the WD21X31906 control board serves a specific function—it is designed to replace older control boards that may no longer work. While it does not offer additional features, it is crucial for maintaining the functionality of compatible dishwashers.

Capacity and Use

The Frigidaire dishwasher is designed with a spacious capacity that fits up to 12 place settings, making it ideal for families or households that frequently entertain. This large capacity enhances its utility, allowing for efficient cleaning of multiple dishes in one cycle. In contrast, the WD21X31906 control board does not pertain to capacity or use in the same manner, as it is a component that does not hold or clean dishes but instead regulates the dishwasher’s operations.

Energy Efficiency

Frigidaire places a strong emphasis on energy efficiency with its dishwasher, promoting eco-friendly drying through its Air Dry feature. This can lead to savings on utility bills over time, making it a better long-term investment for environmentally conscious consumers. The WD21X31906 control board does not directly contribute to energy efficiency, as it is purely a replacement part that enables the existing dishwasher to function. Therefore, while the control board may be less expensive, it does not provide the same benefits in terms of energy savings.

Installation and Maintenance

Installing the Frigidaire dishwasher can be more complex due to its size and features, whereas the WD21X31906 control board is intended for simpler installation. However, it is important to note that installation of the control board must be done correctly to avoid issues, as it will not be refundable once installed if it does not match the appliance. This makes the dishwasher a more substantial home improvement project, while the control board serves as a straightforward solution for those looking to repair rather than replace.

Customer Support and Warranty

Frigidaire typically offers robust customer support and warranty options for its appliances, which can provide peace of mind for buyers investing in a new dishwasher. The control board, being a replacement part, may come with limited warranty details and support, which can vary by seller. The importance of customer support is significant when considering long-term use and potential issues, and Frigidaire's established presence can be a comforting factor for consumers.

Which should you buy?

Choosing between the Frigidaire dishwasher and the WD21X31906 control board ultimately depends on your needs. If you require a complete and efficient dishwashing solution with a range of features and a larger capacity, the Frigidaire dishwasher at $479.00 is a solid choice. However, if you are looking to repair an existing dishwasher and need a reliable control board, the WD21X31906 at $183.99 is a cost-effective option. Each product serves a distinct purpose, so consider your current situation before making a decision.