Gas Water Heaters
Bock is your first choice for all your commercial gas water heater needs. Our industry leading optiTHERM modulating condensing water heaters in sizes up to 500,000 BTU, provide up to 99% thermal efficiency, have an automatic cathodic protection system, LCD user interface and five year warranty.
Our EZ Fit atmospheric water heaters are easy to install and available in Power Direct Vent, Low NOx, Internal Coil and a host of other models.
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ODOT199LP-H25OptiTHERM Outdoor modulating, condensing high-efficiency commercial water heater • UL Listed for outdoor use in dry, warm climates • Altitudes above 2,000 ft to 5,400 ft max • 99 gallon • 199,000 BTU/hr • LP Gas • NSF/ANSI certifiedView ProductModel: ODOT199LP-H25BTU: 199,000 (58.32)Gal: 99 gallonSKU: 55926 -
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 certifiedView ProductModel: ODOT200N-ABTU: 199,999 (58.58)Gal: 100 gallonSKU: 55888
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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 certifiedView ProductModel: ODOT200N-A-H25BTU: 199,999 (58.58)Gal: 100 gallonSKU: 55900
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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 certifiedView ProductModel: ODOT250N-ABTU: 250,000 (73.26)Gal: 100 gallonSKU: 55886
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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 certifiedView ProductModel: ODOT250N-A-H25BTU: 250,000 (73.26)Gal: 100 gallonSKU: 55898
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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 certifiedView ProductModel: ODOT299N-ABTU: 299,999 (87.9)Gal: 100 gallonSKU: 55884
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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 certifiedView ProductModel: ODOT299N-A-H25BTU: 299,999 (87.9)Gal: 100 gallonSKU: 55896
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ODOT200LP-AOptiTHERM Outdoor modulating, condensing high-efficiency commercial water heater • UL Listed for outdoor use in dry, warm climates • 100 gallon • 199,000 BTU/hr • LP Gas • ASME certified • NSF/ANSI certifiedView ProductModel: ODOT200LP-ABTU: 199,999 (58.58)Gal: 100 gallonSKU: 55894
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ODOT200LP-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 • LP Gas • ASME certified • NSF/ANSI certifiedView ProductModel: ODOT200LP-A-H25BTU: 199,999 (58.58)Gal: 100 gallonSKU: 55906
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ODOT250LP-AOptiTHERM Outdoor modulating, condensing high-efficiency commercial water heater • UL Listed for outdoor use in dry, warm climates • 100 gallon • 250,000 BTU/hr • LP Gas • ASME certified • NSF/ANSI certifiedView ProductModel: ODOT250LP-ABTU: 250,000 (73.26)Gal: 100 gallonSKU: 55892
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ODOT250LP-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 • LP Gas • ASME certified • NSF/ANSI certifiedView ProductModel: ODOT250LP-A-H25BTU: 250,000 (73.26)Gal: 100 gallonSKU: 55904
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ODOT299LP-AOptiTHERM Outdoor modulating, condensing high-efficiency commercial water heater • UL Listed for outdoor use in dry, warm climates • 100 gallon • 299,000 BTU/hr • LP Gas • ASME certified • NSF/ANSI certifiedView ProductModel: ODOT299LP-ABTU: 299,999 (87.9)Gal: 100 gallonSKU: 55890
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ODOT299LP-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 • LP Gas • ASME certified • NSF/ANSI certifiedView ProductModel: ODOT299LP-A-H25BTU: 299,999 (87.9)Gal: 100 gallonSKU: 55902
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60HEC-125-NAHIGH EFFICIENCY CONDENSING STANDARD CONSTRUCTION NATURAL GAS, LO-NOXView ProductModel: 60HEC-125-NABTU: 125,000 (36.63)Gal: 60 gallonSKU: 55400 -
60HEC-150-NAHIGH EFFICIENCY CONDENSING STANDARD CONSTRUCTION NATURAL GAS, LO-NOXView ProductModel: 60HEC-150-NABTU: 150,000 (43.96)Gal: 60 gallonSKU: 55405