2022 California Plumbing Code eBook
The CPC is designed to provide consumers with safe and sanitary plumbing systems while, at the same time, allowing latitude for innovation and new technologies.
Key changes to the 2022 CPC include:
- New provisions for backflow prevention devices, assemblies, and methods
- New drinking water treatment unit requirements for commercial equipment, alkaline water treatment and scale reduction devices
- New requirements for prefabricated shower enclosures
- New requirements for lavatory assemblies with automatic soap dispensers, faucets, or hand dryers
- New provision for temperature limiting devices
- New guards and rails requirements for installation of equipment and appliances on roofs
- New requirements for the discharge of temperature and pressure relief valve piping
- New provision on leak detection devices
- New provisions for potable water pumps
- New standards for drain, waste and vent pipe and fittings
- New provisions for drain waste and vent cleanouts
- Circuit vent provisions have been updated and expanded
- Updated fuel gas provisions
- Updated medical gas provisions, including reordering of categories for ease of use
- New reference to water heater standards and water heating system requirements
