Repair

TL;DR: A dripping Delta faucet is almost always caused by a worn rubber seat and spring inside the valve body (on single-handle models) or a bad cartridge/O-ring (on two-handle models). You can ...

TL;DR: Rust comes out of your faucet because iron or sediment is reaching the tap — usually from a corroding galvanized steel pipe, a rusting water heater anode/tank, disturbed municipal mains, o...