Chapter 6 — WATER SUPPLY AND DISTRIBUTION
604.13 Water Heater Connectors.
California Plumbing Code (Title 24, Part 5) · 2022 edition · updated 2026-09-12 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Flexible metallic (copper and stainless steel), reinforced flexible, braided stainless
148 2022 CALIFORNIA PLUMBING CODE
steel, or polymer braided with EPDM core connectors that connect a water heater to the piping system shall comply with ASME A112.18.6/CSA B125.6. Copper, copper alloy, or stainless steel flexible connectors shall not exceed 24 inches (610 mm). PEX, PEX-AL-PEX, PE-AL-PE, or PE-RT tubing shall not be installed within the first 18 inches (457 mm) of piping connected to a water heater. [BSC, HCD 1 & HCD 2] PEX-AL-PEX is not adopted for use in potable water sup- ply and distribution systems.
Get a plain-English answer with a citation back to this text.
Ask AI about this code