Ultra Low Nox Water Heater Meaning

Gas fired storage water heaters.

Ultra low nox water heater meaning.

For ultralow nox the emissions are between 7 to 15 ppm. By definition unflued low no x gas heaters are 100 efficient as all heat energy released from the flame is converted to useful heat. Nox is an abbreviation for nitrogen oxides a collection of harmful and toxic greenhouse gases. They are designed to comply with regulations in certain air quality districts in california and were sold primarily in california.

Discover bradford white s innovative and efficient line of gas ultra low nox water heaters for a variety of applications. The difference between low nox and ultra low nox is determined by local epa standards and based on the type of heating equipment. This recall includes 30 40 and 50 gallon natural or propane gas fired ultra low nox emission gas water heaters. Low nox equipment uses fgr and is able to maintain 3 to 5 excess oxygen with strong controls.

Gas fired flued gas heaters. Nox emissions standards for water heaters hd supply carries low and ultra low nitrogen oxide nox water heaters that comply with the emissions standards set by california and texas. Both commercial grade and residential water heaters must meet lower emissions standards in those states. The turndowns are less than the ratio of 8 1.

When it comes to low nox it can reduce the emission of nox to 30 pm. Low nox and ultra low nox refers to emission limits on these products and are determined by local epa standards and will vary for each type of heating equipment. Learn more about bradford white s gas ultra low nox water heaters and how you can have one installed. Gas fired unflued gas heaters.

All other states require standard models.