Chapter 4 — PLUMBING FIXTURES AND FIXTURE FITTINGS
409.6 Installation and Access.
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.
Bathtubs and whirlpool bathtubs shall be installed in accordance with the manufac
2022 CALIFORNIA PLUMBING CODE 63
PLUMBING FIXTURES AND FIXTURE FITTINGS
turer’s installation instructions. Access openings shall be of a size and opening to permit the removal and replacement of the circulation pump.
Whirlpool pump access located in the crawl space shall be located not more than 20 feet (6096 mm) from an access door, trap door, or crawl hole.
The circulation pump shall be located above the crown weir of the trap.
The pump and the circulation piping shall be self-draining to minimize water retention. Suction fittings on whirlpool bathtubs shall comply with ASME A112.19.7/CSA B45.10.
409.6.1 Flexible PVC Hoses and Tubing. Flexible PVC hoses and tubing intended to be used on whirlpool bathtub water circulation systems or pneumatic systems shall comply with IAPMO Z1033.
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