replying to Jen, Christopher Mitchell wrote:
Ive had multiple failures on in-sink soap pumps. They've all had the same
problem upon visual inspection..... There is rust coloration and debris in the
base of the pumping unit. They stop pumping. Ill bet the the manufacturer got
cheap springs that are not rust proof...... and thats the source. W-d40 or
lubricants cant help with that except in the short run.

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