Washer Overfilling, Underfilling, or Not Completing Cycles? Pressure Switch W10351806 – Restore Water Level Control Fast
A failed washer pressure switch is one of the most common causes of overfilling, underfilling, wash cycles that won't advance, or error codes related to water level sensing. In most Whirlpool and Maytag top-load and front-load washers, the pressure switch monitors the water level in the tub by detecting air pressure through a small hose connected to the tub. When it fails, the control board receives incorrect water level signals — causing the washer to overfill dangerously, stop filling before the tub is full, or get stuck mid-cycle waiting for a water level signal that never comes. ⚡ Common diagnostic target on Whirlpool and Maytag platform washers presenting water level errors or cycle completion failures. Part W10351806 is the genuine OEM replacement that restores accurate water level sensing and normal cycle operation.
❓ Is This the Right Part?
This is the correct fix if ALL of the following are true:
- ✔ Washer powers on and control panel responds normally
- ✔ Water supply valves are open and water pressure is confirmed adequate
- ✔ Pressure switch hose (air dome tube) has been inspected and is not cracked, kinked, or clogged
- ✔ ONLY problem is overfilling, underfilling, cycle stalling, or water level error codes
Not sure? Send us your model number — we'll confirm before you order.
🔧 Common Symptoms
- Washer overfills — water continues filling past the normal level
- Washer underfills — tub doesn't fill enough before agitation begins
- Washer stops mid-cycle and won't advance past the fill stage
- Water level error codes displayed on the control panel
- Washer fills, drains, and refills repeatedly without completing a cycle
✔ If these symptoms match, the pressure switch is the most likely failed component — it is the primary water level sensor in the system.
✔ In most cases, replacing this pressure switch restores accurate water level sensing and normal cycle completion immediately.
📦 Part Details
- Part Number: W10351806
- Type: Washer Water Level Pressure Switch — a pneumatic switch that detects tub water level by measuring air pressure through the air dome tube and signals the control board to open or close the water inlet valve
- Replaces: 8573825, W10351806
- Brands: Whirlpool, Maytag
Before ordering the pressure switch, inspect the air dome tube (the small rubber hose connecting the switch to the tub). A cracked, kinked, or clogged tube causes identical symptoms to a failed switch — and costs almost nothing to replace. Blow gently through the tube to check for blockage. If the tube is clear and intact, the switch is your fix.
⚙️ Installation
Skill Level: MODERATE — 30–45 minutes. Disconnect power before servicing. The pressure switch is typically located behind the control panel or inside the cabinet near the top of the machine. Remove the control panel or top panel to access the switch, disconnect the wiring harness and air dome tube, unscrew or unclip the old switch, and install the new one in the same position. Reconnect the tube and wiring, reassemble, and run a test cycle to verify correct water level sensing.
✓ Compatible Models
Confirmed compatible with select Whirlpool and Maytag top-load and front-load washer models. Contact us with your model number to verify fitment before ordering.
💡 Pro Tip
Disconnect the pressure switch and blow gently into the air dome port on the switch body — you should hear a faint click as the internal contacts change state. Test continuity across the terminals before and after blowing: the reading should change. If there's no click and no continuity change regardless of pressure, the switch is confirmed failed. This two-minute test eliminates guesswork and confirms the part before you spend a dollar.
✓ Model-Specific Repair Pages
✅Compatibility & Cross Reference
Not sure about your model number? Call 1-877-899-7278 and we’ll help you confirm. All brand names are the property of their respective owners and are used for compatibility reference only.
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