Valves and Controls · Valve Components
Valve Stem
The part in an older, two-handle faucet that connects to the handle and moves up and down to open or close the water flow.
Common uses
Operating valve mechanism, controlling water flow, connecting handle to valve
Common symptoms
- Handle turns but no water flow change
- Stem leaks
- Difficult handle operation
Common repairs
- Stem replacement
- Packing replacement
- Stem lubrication
- Thread repair
Related terms
Pro launch updates
Get notified when Pro launches, plus a monthly code-change digest. Email only — no account required.