cUPC and NSF are two important North American faucet certifications, but they cover different things. VIGA is a faucet factory in China and this page compares cUPC vs NSF certification.
cUPC Certification
- Issued by IAPMO against the Uniform Plumbing Code
- Confirms the faucet meets plumbing code requirements
- Usually required for installation in the US and Canada
- Covers performance, pressure and material compliance
NSF Certification
- NSF/ANSI 61 covers drinking water material safety
- NSF/ANSI 372 covers low lead requirements
- Confirms the faucet is safe for drinking water contact
- Required by many US states and Canadian provinces
Do You Need Both
For most North American faucet projects, both cUPC and NSF are recommended. cUPC confirms code compliance for installation, while NSF confirms the material is safe for drinking water and low lead.
See our certifications page, cUPC faucets or NSF faucets.
FAQ
What is the difference between cUPC and NSF?
cUPC confirms plumbing code compliance for installation, while NSF confirms drinking water safety and low lead.
Do I need both cUPC and NSF for the US market?
For most US faucet projects, both certifications are recommended.
Is NSF 61 the same as low lead?
NSF/ANSI 61 covers drinking water material safety, while NSF/ANSI 372 covers low lead specifically.
Does VIGA offer cUPC and NSF certified faucets?
Yes, VIGA offers cUPC and NSF certified faucets for the North American market.

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