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About This Item
Full Description
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.
Document History
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CAN/CSA P.3-15 (R2020)
Testing method for measuring energy consumption and determining efficiencies of gas-fired and fuel oil-fired water heaters- Most Recent
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CAN/CSA P.3-04 (R2015)
Testing Method for Measuring Energy Consumption and Determining Efficiencies of Gas-Fired Storage Water Heaters. Includes Update No. 1 (2006) and Update No. 2 (2006)- Historical Version
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CAN/CSA P.3-98
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Testing Method for Measuring Energy Consumption and Determining Efficiencies of Gas-Fired Water Heaters- Historical Version