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Universal™ ultra low NOx is a family of commercial gas water heaters that are designed to fit into tight retrofit applications.
Universal™ Ultra-Low NOx Commercial Gas Water Heaters
Unit of Measure
1 

Item #

Tank Capacity

Input Power

Recovery at 40 ºF Temperature Rise

Recovery at 50 ºF Temperature Rise

GNU37-200 N/A 35 gal N/A 199900 BTU/hr N/A 485 gal/h N/A 388 gal/h
GNU65-360(A) N/A 65 gal N/A 360000 BTU/hr N/A 873 gal/h N/A 698 gal/h
GNU72-250(A) N/A 72 gal N/A 250000 BTU/hr N/A 606 gal/h N/A 485 gal/h
GNU75-125 N/A 75 gal N/A 125000 BTU/hr N/A 303 gal/h N/A 242 gal/h
GNU76-200 N/A 76 gal N/A 199900 BTU/hr N/A 485 gal/h N/A 388 gal/h
GNUU82-156 N/A 82 gal N/A 156000 BTU/hr N/A 378 gal/h N/A 303 gal/h
GNU91-200 N/A 91 gal N/A 199900 BTU/hr N/A 485 gal/h N/A 388 gal/h
GNU100-200(A) N/A 100 gal N/A 199900 BTU/hr N/A 485 gal/h N/A 388 gal/h
GNU100-250(A) N/A 100 gal N/A 250000 BTU/hr N/A 606 gal/h N/A 485 gal/h
GNU100-270(A) N/A 100 gal N/A 270000 BTU/hr N/A 655 gal/h N/A 524 gal/h
GNU100-400(A) N/A 100 gal N/A 399900 BTU/hr N/A 969 gal/h N/A 776 gal/h
Unit of Measure
1