Whirlpool Dishwasher Water Inlet Valve Replacement Guide — What This Part Does
The water inlet valve is an electrically controlled valve that opens to admit household water into your Whirlpool dishwasher during the fill cycle. When the control board calls for water, the valve coil energizes and the mechanism opens to let water flow through the outlet hose into the tub.
Valves fail when sediment or debris clogs the screen or internal passages, when the coil burns out or the solenoid sticks, or when seals crack and cause leaks at the valve body or supply connection. A failed valve will either not open at all (no fill), open partially (slow fill), stay stuck open (overfill or leak), or make loud rattling or humming sounds during fill attempts.
Signs It Needs Replacing
- Dishwasher does not fill at all The cycle starts but no water enters the tub, indicating the valve is not opening.
- Slow or weak fill Water trickles in slowly or the cycle takes much longer to complete because the valve is clogged or partially stuck.
- Water pooling under the front or at the supply connection You see water on the floor or along the lower front panel, pointing to a leaking valve body or fitting.
- Loud humming, buzzing, or rattling during fill The valve makes unusual noise when energized, a sign of internal restriction or a failing coil.
- Overfill or continuous fill Water keeps running even after the tub is full, meaning the valve is stuck open or the mechanism has failed closed.
- Fill stops and starts intermittently The valve opens and closes erratically during a cycle, usually due to a failing coil or debris interfering with the mechanism.
How to Replace It
- Disconnect power to the dishwasher by unplugging it or switching off the circuit breaker at your panel.
- Shut off the water supply to the dishwasher by turning the shut-off valve under your sink or at the supply line connection clockwise until tight.
- Remove the toe-kick or lower access panel at the bottom front of the dishwasher to expose the inlet valve, which is typically mounted on the lower left or center frame.
- Unplug the electrical connector from the inlet valve by pressing the release tab and pulling the harness off the terminals.
- Disconnect the water supply line from the threaded inlet fitting on the valve using an adjustable wrench, and place a towel or pan underneath to catch any residual water.
- Loosen the pinch clamp or spring clamp on the outlet hose that runs from the valve into the tub, then pull the hose off the valve outlet barb.
- Remove any screws or tabs securing the valve bracket to the frame, then lift the valve assembly out of the machine.
- Compare the new valve to the old one to confirm fitment, transfer any elbow fittings or adapters if needed, and apply fresh thread seal tape to the supply inlet threads.
- Install the new valve in the bracket and secure it to the frame, reconnect the outlet hose and tighten the clamp, thread the supply line onto the inlet fitting snugly, plug in the wiring harness, reinstall the access panel, restore water and power, and run a test cycle while checking for leaks at all connections.
The Part You Need
| Part | Notes |
|---|---|
| Water inlet valve assembly | Amazon | Whirlpool part numbers vary by model (common examples: W11175771, W10875007, WPW10195536, W10648041). Find your exact part number by locating the model and serial plate on the door edge or inner frame and entering it on the Whirlpool parts site or your parts supplier. |
| Thread seal tape | Amazon | For sealing the water supply line connection to the new valve inlet threads. |
Related Error Codes
If this part is failing you may also see one of these codes:
- Whirlpool Dishwasher E1 error code
- Whirlpool Dishwasher E15 error code
- Whirlpool Dishwasher E3 error code
- Whirlpool Dishwasher E4 error code
- Whirlpool Dishwasher E6 error code
- Whirlpool Dishwasher E7 error code
- Whirlpool Dishwasher F10E5 error code
- Whirlpool Dishwasher F1E1 error code
- Whirlpool Dishwasher F2E2 error code
- Whirlpool Dishwasher F3E1 error code
When to Call a Pro
Call a pro if you are not comfortable shutting off water and power, if the valve is hard to reach or requires pulling the dishwasher out from under the counter, or if you replaced the valve and still have no fill or leaks. A technician can also verify that the control board is sending voltage to the valve and that household water pressure is adequate, and can diagnose related fill problems like a clogged float switch or faulty wiring harness.