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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60HEC-125-NA-AHIGH EFFICIENCY CONDENSING ASME CONSTRUCTION NATURAL GAS, LO-NOXView ProductModel: 60HEC-125-NA-ABTU: 125,000 (36.63)Gal: 60 gallonSKU: 55401 -
60HEC-150-NA-AHIGH EFFICIENCY CONDENSING ASME CONSTRUCTION NATURAL GAS, LO-NOXView ProductModel: 60HEC-150-NA-ABTU: 150,000 (43.96)Gal: 60 gallonSKU: 55407
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60HEC-125-XAHIGH EFFICIENCY CONDENSING STANDARD CONSTRUCTION LP GAS, LO-NOXView ProductModel: 60HEC-125-XABTU: 125,000 (36.63)Gal: 60 gallonSKU: 55402
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60HEC-150-XAHIGH EFFICIENCY CONDENSING STANDARD CONSTRUCTION LP GAS, LO-NOXView ProductModel: 60HEC-150-XABTU: 150,000 (43.96)Gal: 60 gallonSKU: 55409
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60HEC-125-XA-AHIGH EFFICIENCY CONDENSING ASME CONSTRUCTION LP GAS, LO-NOXView ProductModel: 60HEC-125-XA-ABTU: 125,000 (36.63)Gal: 60 gallonSKU: 55403
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60HEC-150-XA-AHIGH EFFICIENCY CONDENSING ASME CONSTRUCTION LP GAS, LO-NOXView ProductModel: 60HEC-150-XA-ABTU: 150,000 (43.96)Gal: 60 gallonSKU: 55410
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75W-125SDLN-NANON-ASME CONSTRUCTED, NATURAL GAS LO-NOX BURNER WITH SPARK DAMPER ENERGY SAVER ATMOSPHERIC WATER HEATERView ProductModel: 75W-125SDLN-NABTU: 125,000 (36.63)Gal: 75 gallonSKU: 55341 -
75W-125SDLN-XANON-ASME CONSTRUCTED, L.P. GAS LO-NOX BURNER WITH SPARK DAMPER ENERGY SAVER ATMOSPHERIC WATER HEATERView ProductModel: 75W-125SDLN-XABTU: 125,000 (36.63)Gal: 75 gallonSKU: 55342
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ODOT125NOptiTHERM Outdoor modulating, condensing high-efficiency commercial water heater • UL Listed for outdoor use in dry, warm climates • 99 gallon • 125,000 BTU/hr • Natural Gas • NSF/ANSI certifiedView ProductModel: ODOT125NBTU: 125,000 (36.63)Gal: 99 gallonSKU: 55912