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- OT800N-A-H28OptiTHERM modulating condensing high efficiency commercial water heater. Altitudes above 2,000 to 7,800 ft max. 130 Gallons. 800,000 BTU/hr. Natural Gas. ASME Certified. NSF/ANSI Certified. UL ListedModel: OT800N-A-H28Gal: 130 gallonSKU: 55960
- OT900N-A-H28OptiTHERM modulating condensing high efficiency commercial water heater. Altitudes above 2,000 to 7,800 ft max. 130 Gallons. 900,000 BTU/hr. Natural Gas. ASME Certified. NSF/ANSI Certified. UL ListedModel: OT900N-A-H28Gal: 130 gallonSKU: 55962
- ODOT200N-AOptiTHERM Outdoor modulating, condensing high-efficiency commercial water heater • UL Listed for outdoor use in dry, warm climates • 100 gallon • 199,000 BTU/hr • Natural Gas • ASME certified • NSF/ANSI certifiedModel: ODOT200N-ABTU: 199,999 (58.58)Gal: 100 gallonSKU: 55888
- ODOT250N-AOptiTHERM Outdoor modulating, condensing high-efficiency commercial water heater • UL Listed for outdoor use in dry, warm climates • 100 gallon • 250,000 BTU/hr • Natural Gas • ASME certified • NSF/ANSI certifiedModel: ODOT250N-ABTU: 250,000 (73.26)Gal: 100 gallonSKU: 55886
- ODOT299N-AOptiTHERM Outdoor modulating, condensing high-efficiency commercial water heater • UL Listed for outdoor use in dry, warm climates • 100 gallon • 299,000 BTU/hr • Natural Gas • ASME certified • NSF/ANSI certifiedModel: ODOT299N-ABTU: 299,999 (87.9)Gal: 100 gallonSKU: 55884
- ODOT200N-A-H25OptiTHERM Outdoor modulating, condensing high-efficiency commercial water heater • UL Listed for outdoor use in dry, warm climates • Altitudes above 2,000 ft to 5,000 ft max • 100 gallon • 199,000 BTU/hr • Natural Gas • ASME certified • NSF/ANSI certifiedModel: ODOT200N-A-H25BTU: 199,999 (58.58)Gal: 100 gallonSKU: 55900
- ODOT250N-A-H25OptiTHERM Outdoor modulating, condensing high-efficiency commercial water heater • UL Listed for outdoor use in dry, warm climates • Altitudes above 2,000 ft to 5,000 ft max • 100 gallon • 250,000 BTU/hr • Natural Gas • ASME certified • NSF/ANSI certifiedModel: ODOT250N-A-H25BTU: 250,000 (73.26)Gal: 100 gallonSKU: 55898
- ODOT299N-A-H25OptiTHERM Outdoor modulating, condensing high-efficiency commercial water heater • UL Listed for outdoor use in dry, warm climates • Altitudes above 2,000 ft to 5,000 ft max • 100 gallon • 299,000 BTU/hr • Natural Gas • ASME certified • NSF/ANSI certifiedModel: ODOT299N-A-H25BTU: 299,999 (87.9)Gal: 100 gallonSKU: 55896
- ODOT300N2-AOptiTHERM Outdoor modulating, condensing high-efficiency commercial water heater • UL Listed for outdoor use in dry, warm climates • 125 gallon • 300,000 BTU/hr • Natural Gas • ASME certified • NSF/ANSI certifiedModel: ODOT300N2-ABTU: 300,000 (87.92)Gal: 125 gallonSKU: 55864-2