





Washer tub retains standing water at the end of the cycle. The drain pump motor may have failed or the impeller is damaged, preventing water from being expelled through the drain hose.
Humming, buzzing, or grinding sounds during draining indicate the pump motor is struggling — often caused by a worn impeller, debris blockage, or imminent motor failure.
Machine halts with water still in the tub and may display a drain error code. A non-functioning drain pump prevents the washer from advancing to the spin or rinse phase.
Water pooling underneath or around the front of the washer can indicate a cracked pump housing or failed pump seal — replacing the pump assembly resolves the leak.
💡 Pro Tip: Is Your Drain Pump the Problem?
Your part is likely the culprit if you notice any of the following:
⚠️ Washer won't drain or leaves clothes soaking wet at end of cycle
⚠️ Unusual humming, buzzing, or grinding noise during the drain phase
⚠️ Washer stops mid-cycle with standing water in the tub
⚠️ Water pooling or leaking around the base of the machine
🔍 Diagnostic tip: Set your multimeter to continuity mode and probe the pump motor terminals. No continuity = failed motor. Also check the impeller manually — if it spins freely with no resistance, the impeller vanes may be stripped. Drain pumps are not repairable; replace the entire assembly if defective.
📦 What's in the Box
✅ 1× Drain Pump & Motor Assembly 137221600 (120V / 60Hz / 85W, with red anti-backflow flapper)
✅ 1× Mounting base bracket
✅ 1× Mounting screw
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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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