





Tub continues to fill past the selected water level because the faulty switch sends no 'full' signal to the control board, risking flooding.
Machine starts but water never enters the tub — a failed switch falsely signals the tub is already full, blocking the inlet valve from opening.
Control board displays PE, E4, or E7 fault when it receives no valid pressure-level feedback from the switch during fill detection.
Washer pauses or aborts mid-cycle because the pressure switch intermittently loses signal, causing the board to halt operation as a safety measure.




💡 Pro Tip: How to Diagnose a Failing Water Level Pressure Switch
Your part is likely the culprit if you notice any of the following:
⚠️ Washer displays PE, E4, or E7 error code at the start of or during a cycle
⚠️ Tub overfills or keeps running water after the desired level is reached
⚠️ Washer does not fill with water at all or fills very slowly despite good water pressure
⚠️ Machine stops mid-cycle with no apparent mechanical fault — control board receives no water-level signal
🛠 Tech Note: Before condemning the switch, inspect the small rubber sensing hose running from the tub port to the switch inlet. A kinked, cracked, or clogged hose mimics switch failure. Blow gently through the hose — you should hear/feel the switch click. If there is no click or the hose is damaged, replace both the hose and the switch together for a complete fix.
📦 What's in the Box
✅ 1× Water Level Pressure Switch Assembly (body Ø 2.35 in, hose 22.5 in) — compatible with 6501EA1001R / AP5204365 / 6501EA1001C
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Disclaimer: Compatibility information, part numbers, and model fitment data on this page are sourced from manufacturer databases and third-party references. While we strive for accuracy, please verify your appliance model number before ordering. Heima is not responsible for errors or omissions in compatibility listings.
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