[Lifetime Warranty] WD21X10519 Dishwasher Flood Switch

WD21X10519 Dishwasher Flood Switch Replacement – Compatible with GE ADT, CDT, DDT, GDF, GDT, PDT, ZDT Series

The WD21X10519 Dishwasher Flood Switch is a critical safety component designed to prevent water overfilling and leaks in GE dishwashers. This replacement part monitors the internal water level and automatically shuts off the fill valve if excess water is detected, helping protect your kitchen from flooding and water damage.

Important Compatibility Note

Please verify your original flood switch part number or dishwasher model before purchasing. If you’re unsure, feel free to send us your dishwasher model number and we’ll gladly help confirm compatibility.

Prevents Overfilling & Water Leaks

If the flood switch becomes clogged with soap residue or mineral buildup, it may cause improper filling or premature shutdown. Replacing the faulty switch can resolve common issues such as:

• Dishwasher shutting off unexpectedly
• Overfilling or leaking water
• Failure to fill, drain, or dry properly
• Poor cleaning performance

Replaces OEM Part Numbers

• WD21X10519
• WD21X10492
• WD21X20204
• 3028650
• AP5781465
• PS8690623 / EAP8690623

Wide Compatibility with GE Dishwashers

Compatible with select General Electric, Hotpoint, and RCA dishwasher models in the following series:

ADT, CDT, DDT, GDF, GDT, PDT, ZDT Series

Including but not limited to:

• GDF510PSD0SS, GDF510PSD2SS
• GDF520PGD1WW, GDF520PGD4BB, GDF520PMJ4ES
• GDF540HGD0BB
• GDT550HSD4SS, GDT580SMF2ES, GDT580SSF8SS
• PDT720SSH7SS, PDT750SSF2SS, PDT750SSF5SS

Superior Quality Construction

Built with durable, high-grade ABS plastic, this flood switch resists cracking, wear, and water pressure for long-term reliability. The high-conductivity electrical connector ensures stable signal transmission, while the resilient O-ring provides a tight, leak-free seal during operation.

Easy Replacement Solution

Designed for a direct fit, this flood switch installs easily as a replacement for the original part, helping restore proper dishwasher operation without costly service calls.

100% Lifetime Protection

We stand behind our product with lifetime protection. If you encounter any defects or issues, we’re committed to making it right for you.