R307-230. NOx Emission Limits for Natural Gas-Fired Water Heaters  


R307-230-1. Purpose
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  The purpose of R307-230 is to reduce emissions of nitrogen oxides (NOx) from natural gas-fired water heaters.


R307-230-2. Applicability
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  R307-230 applies to the sale or installation of natural gas-fired water heaters on or after July 1, 2018.


R307-230-3. Emission Limits and Requirements
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  (1) The State Construction and Fire Codes Act, Subsection 15A-6-102, Enacted by Chapter 236, 2017 General Session, is hereby incorporated by reference.

  (2) Manufacturers shall use South Coast Air Quality Management District Method 100.1 to comply with the NOx emission limits.