Current through Register Vol. 50, No. 11, November 20, 2024
Section XIV-505 - Minimum Capacities for Residential Water HeatersA. Water heaters installed in residential occupancies may be sized in accordance with the following Table 505. Table 505 Minimum Capacities For Water Heaters1,2 |
Number of Bathrooms | 1 to 1.5 | 2 to 2.5 | 3 to 3.5 |
Number of Bedrooms | 1 2 3 | 2 3 4 5 | 3 4 5 6 |
First Hr Rating Gal. | 42 54 54 | 54 67 67 80 | 67 80 80 80 |
Nom. Tank Size, Gal. Gas Water Heaters | 20 30 30 | 30 40 40 50 | 40 50 50 50 |
Elect. Water Heaters | 30 50 50 | 50 66 66 80 | 66 80 80 80 |
Oil Water Heaters | 30 30 30 | 30 30 30 30 | 30 30 30 30 |
NOTES:
1. The main criteria for a properly sized water heater is a sufficient first hour rating to meet peak hot water demand. The majority of tank sizes shown in the table will have a first hour rating equal to or greater than the first hour rating indicated. A water heater with a smaller tank size than shown in the table but with a sufficient first hour rating shall be permitted.2. The first hour rating is found on the "Energy Guide" label.B. Non-storage and solar water heaters shall be sized with sufficient capacity to meet the appropriate first hour rating shown in Table 505 above.La. Admin. Code tit. 51, § XIV-505
Promulgated by the Department of Health and Hospitals, Office of Public Health, LR 38:2828 (November 2012).AUTHORITY NOTE: Promulgated in accordance with R.S. 40:4(A)(7) and R.S. 40:5(2)(3)(7)(9)(16)(17)(20).