Ultra Low Nox Water Heater Requirements

Please refer to the authority having jurisdiction for guidance.

Ultra low nox water heater requirements.

Shop all water heaters commercial water heaters. I d like to answer a few of the questions i ve heard from members of the public about the switch to ultra low nox water heaters. Certain counties in the state of california are required to meet south coast air quality management district s nox emissions requirements. Install a zero emission heat pump.

These must be followed in all cases. This water heater must be connected to a grounded metal permanent wiring system. Both commercial grade and residential water heaters must meet lower emissions standards in those states. The ultralow nox can have 5 to 9 emissions of oxygen a turndown ratio of 4 1 or 3 1.

For ultralow nox the emissions are between 7 to 15 ppm. The burners use fgr adjusted fuel air ratios plus a staging in order to have low emissions. The state of utah has requirements limiting the nox nitrogen oxide emissions of gas water heaters. 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.

Ultra low nox water. All other states require standard models. Are lower nox emitting water heaters commercially available now. Our low nox solution.

Grounding instructions this water heater must be grounded in accordance with the national electrical code and or local codes. The turndowns are less than the ratio of 8 1. Low nox commercial water heaters are required in texas and ultra low nox water heaters are required in most of california. The new rule requires that all water heaters sold in utah must reduce nox emissions by 75 percent as of november 1 2017.