Iowa Code r. 875-91.13 - English language and U.S. customary units required
All documentation supplied for the unit including but not limited to the manufacturers' data report, drawings, parts lists, installation manuals, and operating manuals shall be in English, and all measurements in U.S. customary units. All pressure gages, thermometers and other controls and safety devices shall also be in U.S. customary units.
Notes
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