Faucet Cartridges Explained: Types and How They Work

What Does a Faucet Cartridge Do?

The cartridge is the internal valve that controls water flow and temperature. It sits inside the faucet handle and opens or closes water passages as the handle moves.

Main Types of Faucet Cartridges

Ceramic Disc Cartridges

Ceramic disc cartridges use two smooth ceramic discs that rotate against each other. They are durable, smooth to operate, and standard in most modern faucets.

Compression Cartridges

Compression cartridges use a rubber washer that presses against a valve seat. They are common in older faucets and may need more frequent washer replacement.

Ball Cartridges

Ball cartridges use a rotating ball with openings that align with hot and cold inlets. They are found in some single-handle faucets and can be repaired with replacement seals or springs.

Signs of a Failing Cartridge

• Dripping from the spout after shutoff
• Hard or loose handle movement
• Water leaking around the handle base
• Unexpected temperature changes
• Reduced or uneven water flow

How to Choose a Replacement Cartridge

Match the replacement to the original faucet model and cartridge size. Check the stem height, rotation type, and connection shape before ordering.

Why Cartridge Quality Matters for Buyers

A reliable cartridge reduces leaks and after-sales claims. For OEM/ODM faucet buyers, the cartridge is one of the most important components to specify.

iVIGA uses quality cartridges in its kitchen and bathroom faucets. Learn about our OEM/ODM manufacturing or contact us.