



A failed or clogged isolation valve cuts off water supply to the icemaker solenoid. Replacing WR57X30890 restores proper water flow and ice production.
If the isolation valve will not fully close due to mineral buildup or worn internal components, the valve must be replaced to regain independent icemaker water shutoff capability.
A partially blocked or electrically failed isolation valve restricts flow to the dispenser line. Swapping the valve resolves low-pressure or zero-flow dispenser issues.
Cracked valve body or failed internal seals cause dripping at the lower rear access panel. Installing a new WR57X30890 stops the leak and prevents floor water damage.
A solenoid that does not open or close fully causes irregular fill cycles, producing misshapen, hollow, or fused ice cubes. A new valve restores correct fill timing.
💡 Pro Tip: How to Know Your Isolation Valve Has Failed
Your part is likely the culprit if you notice any of the following:
⚠️ Ice maker has stopped producing ice or produces very little ice
⚠️ Unable to independently shut off water supply to the icemaker
⚠️ Water dispenser flow is slow, intermittent, or completely stopped
⚠️ Visible water leak at the rear lower section of the refrigerator
🔬 Diagnostic tip: Using a multimeter, measure resistance across the icemaker solenoid terminals. A healthy valve reads approximately 175–180 ohms. A reading of 0 ohms (short) or OL (open) indicates a failed solenoid coil — replace the isolation valve immediately. Also check if the icemaker fill tube is frozen, which mimics a bad valve.
📦 What's in the Box
✅ 1× WR57X30890 Isolation Valve (120V, 1/4" inlet, 4-outlet)
✅ 1× Jumper Wire / Bypass Harness
✅ OEM-standard wiring connector
We typically respond within 1 business day. Include your appliance model number for the fastest answer.
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.
Reviews
There are no reviews yet.