It's been a lot of years, but I think I had a Delta faucet apart, one
time. They had two spring loaded rubber seals, which were three or four
bucks at the hardware. That, and some waterproof silicone grease, and
the faucet was all good, again. Please check with a small town hardware
store, might still be the case.
Christopher A. Young
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A friend of mine has a number of Delta faucets in his home with the
single multi-function handle and they all leak under the handle,
especially in the full-cold position. Is there perhaps some sort of
replaceable seal? Thanks.
They are an easy fix. Repair kits at our local hardware store. DO use silicon
grease for ease of later repair and better seal. Maybe 15 minutes work.