The Altmans, Phylrich, and Sigma Hot Ceramic Cartridge (Part 18.30.030 / OLC3 CI) is a high-precision replacement valve designed to restore leak-free performance to high-end bathroom and kitchen faucets.
OLC3 CI 18.30.030
- Hot side ceramic cartridge (clockwise to close, counter-clockwise to open).
- Used on Altmans faucets, and cross-compatible with some Phylrich (LC499HNL) and Sigma (18.30.030) models.
- 1/4-turn
- 2 5/8″ length
- 16 point broach

