Rule 1121 - Control of Nitrogen Oxides from Residential-Type, Natural Gas-Fired Water Heaters

A table listing equipment certified by the South Coast Air Quality Management District
(AQMD) as compliant with the requirements of Rule 1121 (PDF,39k) is available in two formats:

• Microsoft Word (DOC,115k)
• Adobe Acrobat (PDF,166k)

Note: The AQMD does not endorse or warrant any specific product or manufacturer.

If you need more information about Rule 1121, please contact Rizaldy Calungcagin at (909) 396-2315 or send email to rcalungcagin@aqmd.gov.