Chapter 6 — WATER SUPPLY AND DISTRIBUTION
613.1 The domestic water-heating equipment… — 2025 California Plumbing Code
California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-10-23 · 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 Plumbing Code (Title 24, Part 5) § 613.1 · Effective January 1, 2026 · Official source: Building Standards Commission
613.1 The domestic water-heating equipment and distribu- tion systems shall supply water at the temperature and amounts shown in Table 613.1. Where the system is designed by a mechanical engineer, appropriate diversity factors may be utilized.
TABLE 613.1
[OSHPD 1, 2, 3, 4 & 5] HOT WATER USE
| CLINICAL | DIETARY1 | LAUNDRY2 | |
|---|---|---|---|
Liter/ |
11.9 | 7.2 | 7.6 |
Gallons/ |
3 | 2 | 2 |
Temperature °C |
41-49.0 | 49.03 | 71.0 |
Temperature °F |
105-120.0 | 120.03 | 160.0 |
1 Rinse water temperature at warewasher or potsinks shall be 180°F (82°C) unless a chemical disinfection is provided.
2 The required temperature of 160°F (71°C) in the laundry is that meas- ure in the washing machine and shall be supplied so that the tempera- ture may be maintained over the entire wash and rinse period.
Exception: A lower water temperature of 140°F (60°C) may be utilized, pro- vided linens are subsequently passed through a tumbler dryer at 180°F (82°C) or a flatwork ironer at 300°F (149°C).
3 Dietary hot water temperature shall meet minimum temperature require- ments at the point of use per the health authority.
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