You can fix this
Likely cause: a supply line or connection under the sink
Water in the cabinet that is not coming from the faucet body is usually a supply line or a loose connection. Tighten it, and call if it keeps dripping.
Why this happens
Pfister's kitchen leak guidance says to tighten the supply lines with a crescent wrench and check the hoses for wear, so start at the connections before you suspect the faucet. If the shutoff under the sink is seized, or you cannot stop an active leak, Berkeys advises calling a plumber rather than prepping the job yourself.
How to fix it
- Put a dry towel on the cabinet floor and run the faucet. Feel along each supply line and connection to find the first wet spot.
- Snug a leaking connection a little with a crescent wrench. Do not overtighten.
- If a hose is bulging, cracked or wet along its length, close the stop for that side and replace the hose.
- If the drip is coming from the stop valve itself, or the stop will not turn, leave it alone and call.
When to stop. If tightening does not stop it, or a stop valve will not turn, close the main shutoff and call a plumber.
If this does not fix it, tell the plumber
- Water is in the cabinet, and where you found the first wet spot.
- Whether the stops under the sink close fully.
- Whether you tightened anything and what changed.
Build the full list: what to tell the plumber.
Start this troubleshooter over
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