Proposed Amended Rule 1146.2

Control of Oxides of Nitrogen from Large Water Heaters, Small Boilers and Process Heaters

Below is a link to the Manufacturer Survey sent to space and water heating manufacturers on May 10, 2023.

Staff has initiated the rule development process evaluating the feasibility of zero-NOx-emission space and water heating technologies and developed a survey to gather information to aid in rule development. Feedback and suggestions on the survey content were due May 9, 2023. Please send any questions to Emily Yen.

Yanrong Zhu
(909) 396-3289
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