Chapter 31A — SYSTEMS FOR WINDOW CLEANING OR EXTERIOR BUILDING

Section 3134B — DISINFECTANT FEEDERS

2025 California Building Code (Title 24, Part 2) · 2025 edition · ingested 2026-07-07 · California

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Disinfectant feeders shall comply with applicable requirements established by the NSF/ANSI 50-2010 performance standard effective August 2010 for disinfectant feeders. In addition to the requirements for chemical feeders as indicated in Section 3133B, the following apply to disinfectant feeders.

3134B.1 Minimum capacity.

3134B.1 Minimum capacity. All feeders shall be capable of supplying not less than the equivalent of 3 pounds (1 kg) of 100 percent available chlorine per day per 10,000 gallons (37,850 L) of pool water capacity.

3134B.2 Rate of flow adjustment.

3134B.2 Rate of flow adjustment. A visible means of determining the rate of flow through the device shall be provided for each disinfec- tant feeder.

3134B.3 Compressed chlorine gas disinfectant equipment.

3134B.3 Compressed chlorine gas disinfectant equipment. Chlorine gas shall not be dispensed directly into the water of a pool except as an aqueous solution through the return line of the recirculation system. 3134B.3.1 Compressed gas containers. Each container or cylinder shall be secured to prevent accidental movement. A valve protection cap shall be provided to cover the discharge valve at all times when the cylinder is not connected to the dispensing system. 3134B.3.2 Container scale. Compressed gas chlorine containers in use shall be on a scale in the gas chlorinator room. 3134B.3.3…