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Earlier editions: 20222019

Chapter 31B — PUBLIC POOLS

3126B Recirculation Pump Capacity — 2025 California Building Code

California Building Code (Title 24, Part 2) · 2025 edition · updated 2026-10-19 · California

CBSC: official editions, supplements and errata

Italicized text is a California amendment to the model code, as printed in the official publication.

Cite as: 2025 California Building Code (Title 24, Part 2) § 3126B · Effective January 1, 2026 · Official source: Building Standards Commission

3126B.1 Pool recirculation pumps shall have the following total dynamic head capacities:

1. Pressure diatomaceous earth filters. At least 60 feet (18,288 mm); and

2. Vacuum diatomaceous earth filters. Twenty inches (508 mm) vacuum on the suction side and 40 feet (12,192 mm) total dynamic head; and 3. Rapid sand filters. At least 45 feet (13,716 mm); and

4. High rate sand filters. At least 60 feet (18,288 mm); and 5. Cartridge filters. At least 60 feet (18,288 mm).

3126B.2. Pumps with other total dynamic head capacities shall be permitted provided the turnover times are maintained as required in Section 3124B.

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▸Contents — California Building Code (Title 24, Part 2)
California Building Code (Title 24, Part 2)

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