What does ULNB stand for?

Ultra Low NOx (Nitrogen Oxide) Burner (heater)

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.
Business, finance, etc.

Other Resources:

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Ulan Bator, Mongolia - Ulan Bator (Airport Code) Ultra Low Noise Unbreakable Linux Network (Oracle) Unique Learner Number Unit Line Number United Legal Network (est. 1999) Unknown Last Name (Genealogy) Upper Limit of Normal USACE Learning Network (Huntsville, AL) Ultra Low Noise Adapter (computer hardware)		Ultimate Linux Newbie Guide User Level Network Interface (program to allow host applications to directly access network interface) United Lao National Liberation Front (political party) Una Luce Nella Notte (Italian) Unilateral Laryngeal Nerve Paralysis Upper Limit of Normal Range University League Nursery School (Princeton, NJ) Uitgebreid Lager Onderwijs Ultra Low Oxygen (cold storage) Umbrella Learning Object

Samples in periodicals archive:

Emily, a consumer in San Dimas, California, said she bought a 50 gal, nine-year warranty, Whirlpool Ultra Low Nox Gas Water Heater from Lowes in November 2007.

Low-Profile Water Heaters Can Cause High-Profile Problems

It is seen as the best available technology for heating and not only allows for ultra low NOx emissions, but brings extended refractory life through more uniform temperature distribution.

Finland : Linde to supply first flameless oxyfuel

Combustion modification reduces the formation of NOx by altering the combustion process, typically by upgrading existing burners to low NOx burners; replacing existing low NOx burners with new ultra low NOx burners; and/or installing overfire air (OFA) systems.

Fuel Tech Signs Definitive Agreement to Acquire Advanced Combustion ...

5,924,280 combines the use of exhaust gas recirculation (EGR) with urea-based SCR to achieve ultra low NOx emissions with minimum fuel economy penalty and lower levels of reagent consumption.

Clean Diesel Technologies Closes ARIS 2000 License Agreement for ...

Stolper Fabralloy will also continue to provide Westinghouse with steam and water injected conventional Dry Low NOx and Ultra Low NOx combusters.

Triumph Group Gains Three Year Westinghouse Contract

In addition to gas turbine fleet asset planning and utilization services for both power generation and mechanical drive markets, GENXON will offer Catalytica's XONON technology for ultra low NOx emissions, Woodward's NetCon(R) control systems, turbine overhaul and upgrades, as well as contract maintenance and service.

Catalytica/Woodward Governor Venture to Retrofit Gas Turbine at FPL ...