1. Scope
1.1
This Standard describes the test procedures and calculations required to determine the recovery efficiency, standby loss, daily water heating energy consumption, average hourly hot-water storage energy consumption, recovery rate, first-hour rating, 24 h simulated test, and energy factor for gas-fired water heaters.
1.2
The requirements of this Standard apply to natural gas and propane gas storage-type water heaters having an input of 75 000 Btuh (21.98 kW) or less, and a storage capacity of 20-100 gal (76-380 L).
1.3
SI (metric) equivalents to customary American units (yard/pound) are provided for the purpose of information. SI equivalents may be approximate; the mandatory requirements of this Standard are those expressed in customary American units.
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| Note : | This product is unavailable in Russia, Ukraine, Belarus |
| Published : | 02/15/2000 |
