Code Authorities - Plumbing, mechanical and fuel gas

UL provides a wide range of certification programs and services to assist code authorities in the enforcement of plumbing, mechanical and fuel gas code requirements. 

Plumbing certification programs and services

UL certification programs and services for plumbing products help code authorities and designers achieve safe, code compliant installations. Learn more.

Mechanical code certification programs and services

UL certification programs and services for products regulated by mechanical codes help code authorities and designers achieve safe, code compliant installations. Learn more.

Fuel gas code certification programs and services

UL certification programs and services for products regulated by fuel gas codes help code authorities and designers achieve safe, code compliant installations. Learn more.

UL and ICC-ES Dual Listing program

This program demonstrates national and international compliance with a wide range of plumbing, mechanical and fuel gas codes. Learn more.