ANSI Z21.10.1a-2006/CSA 4.1a-2006
Addenda 1 to ANSI Z21.10.1-2004/CSA 4.1-2004, Gas Water Heaters - Volume 1, Storage Water Heaters With Input Ratings of 75,000 Btu Per Hour or Less
Product Details
Details test and examination criteria for automatic storage water heaters with input ratings of 75,000 Btu per hour (21 980 W) or less for use with natural, manufactured and mixed gases, liquefied petroleum gases, and LP gas-air mixtures.