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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75W-300SDLN-XA-AASME CONSTRUCTED, L.P. GAS LO-NOX BURNER WITH SPARK DAMPER ENERGY SAVER ATMOSPHERIC WATER HEATERView ProductModel: 75W-300SDLN-XA-ABTU: 300,000 (87.92)Gal: 75 gallonSKU: 55364 -
66W-370SDLN-XA-AASME CONSTRUCTED, L.P. GAS LO-NOX BURNER WITH SPARK DAMPER ENERGY SAVER ATMOSPHERIC WATER HEATERView ProductModel: 66W-370SDLN-XA-ABTU: 370,000 (108.44)Gal: 65 gallonSKU: 55372
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200G-450ASME CONSTRUCTED MULTI-FLUE INDUSTRIAL WATER HEATER WITH POWER GAS BURNER
View ProductModel: 200G-450BTU: 450,000 (131.88)Gal: 192 gallonSKU: 56656 -
361PG MIDCONON-ASME POWER GAS WATER HEATER WITH MIDCO RE4400DS GAS BURNERView ProductModel: 361PG MIDCOBTU: 385,000 (112.83)Gal: 91 gallonSKU: 58140 -
OT300LP2OptiTherm modulating condensing high effeciency commercial water heater. 119 gallons. 300,000 BTU/hr. LP Gas. NSF/ANSI Certified. UL ListedView ProductModel: OT300LP2BTU: 300,000 (87.92)Gal: 119 gallonSKU: 55697-2 -
OT400LP2OptiTherm modulating condensing high effeciency commercial water heater. 119 gallons. 400,000 BTU/hr. LP Gas. NSF/ANSI Certified. UL ListedView ProductModel: OT400LP2BTU: 400,000 (117.23)Gal: 119 gallonSKU: 55700-2 -
OT500LP2OptiTherm modulating condensing high effeciency commercial water heater. 119 gallons. 500,000 BTU/hr. LP Gas. NSF/ANSI Certified. UL ListedView ProductModel: OT500LP2BTU: 500,000 (146.50)Gal: 119 gallonSKU: 55702-2 -
OT300LP2-H28OptiTherm modulating condensing high effeciency commercial water heater. Altitudes above 2,000 to 7,800 ft max. 119 gallons. 300,000 BTU/hr. LP Gas. NSF/ANSI Certified. UL ListedView ProductModel: OT300LP2-H28BTU: 300,000 (87.92)Gal: 119 gallonSKU: 55720-2 -
OT400LP2-H28OptiTherm modulating condensing high effeciency commercial water heater. Altitudes above 2,000 to 7,800 ft max. 119 gallons. 400,000 BTU/hr. LP Gas. NSF/ANSI Certified. UL ListedView ProductModel: OT400LP2-H28BTU: 400,000 (117.23)Gal: 119 gallonSKU: 55725-2