Ultra Low Nox Water Heater Requirements

Low nox commercial water heaters are required in texas and ultra low nox water heaters are required in most of california.

Ultra low nox water heater requirements. Certain counties in the state of california are required to meet south coast air quality management district s nox emissions requirements. Ultra low nox water. California s south coast air quality management district scaqmd and the san joaquin valley air pollution control district sjvapcd introduced ultra low nox rule 1111 and rule 4905 respectively which require nox emissions of less than 14 nanograms per joule. This recall includes 30 40 and 50 gallon natural or propane gas fired ultra low nox emission gas water heaters.

They are designed to comply with regulations in certain air quality districts in california and were sold primarily in california. The state of utah has requirements limiting the nox nitrogen oxide emissions of gas water heaters. This water heater must be connected to a grounded metal permanent wiring system. All other states require standard models.

Our low nox solution. The turndowns are less than the ratio of 8 1. The burners use fgr adjusted fuel air ratios plus a staging in order to have low emissions. Or an equipment grounding conductor must be run with.

Please refer to the authority having jurisdiction for guidance. For ultralow nox the emissions are between 7 to 15 ppm. The ultralow nox can have 5 to 9 emissions of oxygen a turndown ratio of 4 1 or 3 1. Are lower nox emitting water heaters commercially available now.

Both commercial grade and residential water heaters must meet lower emissions standards in those states. These must be followed in all cases. Install a zero emission heat pump. Grounding instructions this water heater must be grounded in accordance with the national electrical code and or local codes.