Faucet repair: drips, weak flow and loose handles
A dripping faucet is almost always a worn internal part. In a cartridge faucet the cartridge or its seals give out. In older compression styles it is the rubber washer and seat. In a ball or disc style it is the seals and springs. The brand and style decide the repair kit, so a photo helps. Weak flow has a different cause. Mineral buildup in the aerator is common in hard water and cleans out in minutes. If flow is weak at the supply too, the shutoff valve or the supply line may be partly closed or clogged. When a faucet is old and the finish is worn, replacement often makes more sense than another repair. A plumber can fit the new faucet in the same visit.
| Symptom | Usual cause | Fix |
|---|---|---|
| Drip from the spout | Worn cartridge or washer | Replace the part |
| Leak at the base | Worn O-rings | Replace the seals |
| Weak flow | Clogged aerator | Clean or replace it |
| Handle loose | Set screw or worn stem | Tighten or replace |

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