Chapter 31A — SYSTEMS FOR WINDOW CLEANING OR EXTERIOR BUILDING
Section 3137B — POOL FITTINGS
2025 California Building Code (Title 24, Part 2) · 2025 edition · ingested 2026-07-07 · California
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3137B.1 Outlets. ¶
3137B.1 Outlets. Each pool shall be provided with a main drain submerged suction outlet typically located at the bottom of a pool that conducts water to a recirculating pump. Suction outlets shall comply with all of the following provisions: 1. Each pump on a pool system shall be connected to at least two suction outlets. The suction outlets shall be hydraulically balanced and symmetrically plumbed through one or more “T” fittings and shall be separated by a distance of at least 3 feet (915 mm) in any dimension between the suction outlets; and 2. All suction outlets shall be equipped with…
3137B.2 Inlet fittings. ¶
3137B.2 Inlet fittings. Each pool shall be provided with not less than two recirculation system inlets for the first 10,000 gallon (37,850 L) capacity and one additional inlet for each additional 10,000 gallon (37,850 L) or less capacity. 3137B.2.1 Construction. Inlet fittings shall not protrude greater than 1 [1] / 4 inches (32 mm) into the pool and shall be shaped, rounded and smooth. 3137B.2.2 Location. Inlet fittings shall be located no less than 18 inches (457 mm) below the waterline, except for a spa pool or wading pool. Inlet fittings shall be separated by at least 10 feet (3048 mm)…