Flush the system for 10 more minutes; replace cartridges if old.

Turn on a cold water faucet downstream and let it run for 10 to 15 minutes. This flushes out manufacturing residue and loose carbon fines from the new cartridge. The water may look cloudy or dark initially; this is normal and will clear up. Troubleshooting Common Issues Water Leaks from the Housing Threads The O-ring is dry, dirty, misaligned, or damaged.

Tubing is not cut squarely or not pushed in far enough.

This section shows an exploded view of the system. Identify each component: