OptiTHERM
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OT125NOptiTHERM modulating, condensing high-efficiency commercial water heater • 99 gallon • 125,000 BTU/hr • Natural Gas • NSF/ANSI certified • CUL listedModel: OT125NBTU: 125,000 (36.63)Gal: 99 gallonSKU: 55800
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OT150NOptiTHERM modulating, condensing high-efficiency commercial water heater • 99 gallon • 150,000 BTU/hr • Natural Gas • NSF/ANSI certified • CUL listedModel: OT150NBTU: 150,000 (43.96)Gal: 99 gallonSKU: 55802
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OT199NOptiTHERM modulating, condensing high-efficiency commercial water heater • 99 gallon • 199,000 BTU/hr • Natural Gas • NSF/ANSI certified • CUL listedModel: OT199NBTU: 199,000 (58.32)Gal: 99 gallonSKU: 55805
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OT125N-H25OptiTHERM modulating, condensing high-efficiency commercial water heater • Altitude above 2,000 ft to 5,400 ft. max. • 99 gallon • 125,000 BTU/hr • Natural Gas • NSF/ANSI certified • CUL listedModel: OT125N-H25BTU: 125,000 (36.63)Gal: 99 gallonSKU: 55820
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OT150N-H25OptiTHERM modulating, condensing high-efficiency commercial water heater • Altitude above 2,000 ft to 5,400 ft. max. • 99 gallon • 150,000 BTU/hr • Natural Gas • NSF/ANSI certified • CUL listedModel: OT150N-H25BTU: 150,000 (43.96)Gal: 99 gallonSKU: 55822
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OT199N-H25OptiTHERM modulating, condensing high-efficiency commercial water heater • Altitude above 2,000 ft to 5,400 ft. max. • 99 gallon • 199,000 BTU/hr • Natural Gas • NSF/ANSI certified • CUL listedModel: OT199N-H25BTU: 199,000 (58.32)Gal: 99 gallonSKU: 55825
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OT125N-H58OptiTHERM modulating, condensing high-efficiency commercial water heater • Altitude above 5,400 ft to 7,800 ft. max. • 99 gallon • 125,000 BTU/hr • Natural Gas • NSF/ANSI certified • CUL listedModel: OT125N-H58BTU: 125,000 (36.63)Gal: 99 gallonSKU: 55830
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OT150N-H58OptiTHERM modulating, condensing high-efficiency commercial water heater • Altitude above 5,400 ft to 7,800 ft. max. • 99 gallon • 150,000 BTU/hr • Natural Gas • NSF/ANSI certified • CUL listedModel: OT150N-H58BTU: 150,000 (43.96)Gal: 99 gallonSKU: 55832
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OT199N-H58OptiTHERM modulating, condensing high-efficiency commercial water heater • Altitude above 5,400 ft to 7,800 ft. max. • 99 gallon • 199,000 BTU/hr • Natural Gas • NSF/ANSI certified • CUL listedModel: OT199N-H58BTU: 199,000 (58.32)Gal: 99 gallonSKU: 55835
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OT200NOptiTHERM modulating, condensing high-efficiency commercial water heater • 100 gallon • 199,999 BTU/hr • Natural Gas • NSF/ANSI certified • CUL listedModel: OT200NBTU: 199,999 (58.58)Gal: 100 gallonSKU: 55742
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OT250NOptiTHERM modulating, condensing high-efficiency commercial water heater • 100 gallon • 250,000 BTU/hr • Natural Gas • NSF/ANSI certified • CUL listedModel: OT250NBTU: 250,000 (73.26)Gal: 100 gallonSKU: 55745
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OT299NOptiTHERM modulating, condensing high-efficiency commercial water heater • 100 gallon • 299,999 BTU/hr • Natural Gas • NSF/ANSI certified • CUL listedModel: OT299NBTU: 299,999 (87.9)Gal: 100 gallonSKU: 55747
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OT200N-H28OptiTHERM modulating, condensing high-efficiency commercial water heater • Altitude above 2,000 ft to 7,800 ft. max. • 100 gallon • 199,999 BTU/hr • Natural Gas • NSF/ANSI certified • CUL listedModel: OT200N-H28BTU: 199,999 (58.58)Gal: 100 gallonSKU: 55757
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OT250N-H28OptiTHERM modulating, condensing high-efficiency commercial water heater • Altitude above 2,000 ft to 7,800 ft. max. • 100 gallon • 250,000 BTU/hr • Natural Gas • NSF/ANSI certified • CUL listedModel: OT250N-H28BTU: 250,000 (73.26)Gal: 100 gallonSKU: 55760
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OT299N-H28OptiTHERM modulating, condensing high-efficiency commercial water heater • Altitude above 2,000 ft to 7,800 ft. max. • 100 gallon • 299,999 BTU/hr • Natural Gas • NSF/ANSI certified • CUL listedModel: OT299N-H28BTU: 299,999 (87.9)Gal: 100 gallonSKU: 55762