Phone 800-280-4053 | Message 858-688-1646 | Email support@sigmafaucetparts.com

Sigma Lifetime Warranty on Ceramic Disc Cartridges

Should the ceramic disc cartridge in your Sigma faucet ever fail, American Faucet & Coatings Corporation will replace the failed cartridge to the original purchaser of the faucet. Proof of purchase is required. You will only pay a $10.95 handling and mailing charge.

This warranty does not include thermostatic, pressure balance, diverter, or ceramic disc cartridges with stem adapters. Labor is not included.

The lifetime warranty applies to the ceramic disc cartridges shown below.

Obtaining Replacement Cartridges

Email us a description of your issue and the name, model number, and age of the faucet. Include a photo of your purchase receipt, faucet, and cartridge. We will research which cartridge you need and reply. Please click the button below to email us.

NOTE: If you are not the original purchaser of the faucet or do not have proof of purchase, please click the cartridge(s) that you need below and order them directly from this web store.


16 Point

1/2" Quarter Turn Hot Ceramic Disc Cartridge 16 Point 18.30.030

1/2" Quarter Turn Cold Ceramic Disc Cartridge 16 Point 18.30.029

20 Point

1/2" Quarter Turn Hot Ceramic Disc Cartridge 20 Point 18.30.036

1/2" Quarter Turn Cold Ceramic Cartridge 20 Point 18.30.035



16 Point

3/4" Quarter Turn Hot Ceramic Cartridge 16 Point 18.30.018

3/4" Quarter Turn Cold Ceramic Cartridge 16 Point 18.30.017

20 Point

3/4" Quarter Turn Hot Ceramic Cartridge 20 Point 18.30.011

3/4" Quarter Turn Cold Ceramic Cartridge 20 Point 18.30.010