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Chapter 6 — WATER SUPPLY AND DISTRIBUTION

609.9 Low-Pressure Cutoff Required on Booster Pumps for Water Distribution Systems.

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.

Pumps for Water Distribution Systems. Where a booster pump (excluding a fire pump) is connected to a building supply or underground water pipe, a low-pressure cutoff switch on the inlet side of the pump shall be installed not more than 5 feet (1524 mm) of the inlet. The cutoff switch shall be set for not less than 10 psi (69 kPa). A pressure gauge shall be installed between the shutoff valve and the pump.

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▸Contents — California Plumbing Code (Title 24, Part 5)
California Plumbing Code (Title 24, Part 5)

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