UL certifies products used to comply with plumbing code requirements, including low lead certifications and plumbing appliances, fixtures, fittings, pipe and pipe fittings.

Plumbing code


Low lead certifications


Plumbing appliances

Manufacturers of certified products and related information.

Plumbing fixtures and fittings

Manufacturers of certified products and related information.

Plumbing pipe and fittings

Manufacturers of certified products and related information.

Code Correlation Database

The UL Code Correlation Database identifies the correlation between model plumbing code section numbers and UL Product Category Codes. The database also provides hyperlinks to the UL Guide Information and other specific information pertaining to each Category Code.

The 2009 and 2012 editions of both the International Plumbing Code and the Uniform Plumbing Code are included in the CCD.

Access the database