Controlling NOx Emissions from Water Heaters, Small Boilers, and Process Heaters
Rules apply statewide.
Description of Rules
- NOx emission specifications apply to manufacturers, distributors, retailers, and installers of natural gas–fired water heaters, boilers, and process heaters with a maximum rated capacity of 2.0 million British thermal units per hour or less.
- Includes certification, notification, and labeling requirements.
The Chapter 117 rule history for water heaters, small boilers, and process heaters discusses revisions to the rules, including their proposal and adoption, the associated State Implementation Plan revision, and U.S. Environmental Protection Agency approval.
- Stakeholder groups that help the agency with air quality issues
- State plan to meet the national ozone standard
- Air permitting and registration
- Tax relief for pollution-control property
- Point source emissions inventory
- The Technical and Economic Feasibility Study was specified by the 79th Texas Legislature (2005) and completed in December 2005 to determine the technical and economic feasibility of regulating residential water heaters in Texas.
- Enforcement fiscretion for natural gas–fired water heaters manufactured on or after January 1, 2007.