No parts needed... hose is just clogged and inlet into sensor has mold buildup. Follow the how to on this guys video on youtube. Fixed in under 20 min. and I only needed a Phillips Head, channel lock pliers and a towel. https://youtu.be/V04PvdyWVTM Happened to us after going on vacation, funk settled and lightly clogged hose. Samsung needs to supply inlet to run a cleaner through to prevent this or make it more easily accessible.
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