Ultra Low Nox Water Heater Requirements

Or an equipment grounding conductor must be run with.

Ultra low nox water heater requirements.

Ultra low nox water. Certain counties in the state of california are required to meet south coast air quality management district s nox emissions requirements. The new rule requires that all water heaters sold in utah must reduce nox emissions by 75 percent as of november 1 2017. Are lower nox emitting water heaters commercially available now.

The turndowns are less than the ratio of 8 1. For ultralow nox the emissions are between 7 to 15 ppm. Please refer to the authority having jurisdiction for guidance. Low nox commercial water heaters are required in texas and ultra low nox water heaters are required in most of california.

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. 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. Both commercial grade and residential water heaters must meet lower emissions standards in those states.

This recall includes 30 40 and 50 gallon natural or propane gas fired ultra low nox emission gas water heaters. These must be followed in all cases. The ultralow nox can have 5 to 9 emissions of oxygen a turndown ratio of 4 1 or 3 1. All other states require standard models.

Shop all water heaters commercial water heaters. Our low nox solution. The state of utah has requirements limiting the nox nitrogen oxide emissions of gas water heaters. The burners use fgr adjusted fuel air ratios plus a staging in order to have low emissions.