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ANSI Z21.10.3/CSA 4.3 - Gas-fired water heaters, volume III, storage water heaters with input ratings above 75,000 Btu per hour, circulating and instantaneous
January 1, 2019
- CSA/AM
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ANSI Z21.10.1 - Gas water heaters, volume I, storage water heaters with input ratings of 75,000 Btu per hour or less
January 1, 2019
- CSA/AM
This Standard applies to newly produced, automatic storage water heaters having input ratings of 75,000 Btu/hr (21 980 W) or less (see Clause 3, Definitions), hereinafter referred to as water heaters or appliances, constructed entirely of new, unused parts and materials: a) for use with natural...