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Water inlet valve

Dishwasher water inlet valve. The water inlet valve supplies water to the dishwasher. If the water inlet valve is defective, the dishwasher may not fill or may underfill.

Dishwasher water inlet valve. The water inlet valve supplies water to the dishwasher. If the water inlet valve is defective, the dishwasher may underfill or not fill at all.

Water valve

The Bosch Water Inlet Valve 00425458 is a high quality OEM part that supplies water to the dishwasher. It has a single water in-flow and out-flow port and is compatible with various Bosch, Kenmore, and Thermador dishwasher models. Safety precautions should be taken during installation.

Water inlet valve with fill-level diaphragm
Repair Clinic stocks genuine OEM Bosch Dishwasher Water Inlet Valve parts that restore proper function and reliable performance. Washer parts ensure proper sealing, mounting, and secure fastener connections. Enter your model number to find the exact Bosch Dishwasher Water Inlet Valve part you need, with same-day shipping on most in-stock items and a 365-day return policy.
When your Bosch dishwasher float water inlet valve fails, it's usually one of a few common issues. Below are the most important questions homeowners and technicians ask when facing float water inlet valve problems.
Wear from age and heat is the #1 cause. Electrical surges, contamination, and mechanical stress also shorten float water inlet valve life. Regular maintenance and using genuine OEM Bosch parts extend service intervals significantly.
Look for a data plate or label on your Bosch unit — location varies by product type but is typically on the door frame, back panel, or inside the access panel. Enter the full model number in our search to match the exact OEM float water inlet valve for your unit.
Some aftermarket parts work, but genuine OEM Bosch parts support proper fit and performance and guarantee exact fit. Aftermarket alternatives can vary in voltage, dimensions, and durability — OEM is the safer choice for critical parts.


Keep your Bosch dishwasher running efficiently by replacing a faulty float water inlet valve promptly. With same-day shipping on most in-stock items, you'll have your replacement part fast, minimizing downtime. Our model/part number lookup finds the exact OEM part for your unit, and every order is backed by our 365-day return policy and price-match guarantee. If your Bosch dishwasher float water inlet valve is failing — showing symptoms like reduced performance, unusual noise, or complete non-operation — replacement is typically the fastest fix. Browse our full library of Bosch repair resources for troubleshooting guides and installation videos.
On Bosch dishwashers, look for the model number on the tub rim or along the inside edge of the door. Open the door fully and check these areas for the rating plate or white label; the model number may appear beside the serial number. Once you have the complete model number, type it into our model number lookup and the catalog narrows to parts made for your unit. This filters the full Bosch dishwasher parts selection, not just one part, so you can compare compatible options with confidence and avoid ordering by appearance alone.

Diagnosing a Bosch Dishwasher problem is easier when you have the right online reference material. Repair Clinic's video library, written repair guides, symptom articles, part testing walkthroughs, and exploded-view diagrams work together to guide you from the symptom to the correct part. Model number lookup confirms the exact OEM replacement so you order right the first time.

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