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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OT199LP-H25OptiTHERM modulating, condensing high-efficiency commercial water heater • Altitude above 2,000 ft to 5,400 ft. max. • 99 gallon • 199,000 BTU/hr • LP Gas • NSF/ANSI certified • CUL listedView ProductModel: OT199LP-H25BTU: 199,000 (58.32)Gal: 99 gallonSKU: 55845 -
OT199LP-H58OptiTHERM modulating, condensing high-efficiency commercial water heater • Altitude above 5,400 ft to 7,800 ft. max. • 99 gallon • 199,000 BTU/hr • LP Gas • NSF/ANSI certified • CUL listedView ProductModel: OT199LP-H58BTU: 199,000 (58.32)Gal: 99 gallonSKU: 55855
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OT200LPOptiTHERM modulating, condensing high-efficiency commercial water heater • 100 gallon • 199,999 BTU/hr • LP Gas • NSF/ANSI certified • CUL listedView ProductModel: OT200LPBTU: 199,999 (58.58)Gal: 100 gallonSKU: 55772
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OT200LP-H25OptiTHERM modulating, condensing high-efficiency commercial water heater • Altitude above 2,000 ft to 5,400 ft. max. • 100 gallon • 199,999 BTU/hr • LP Gas • NSF/ANSI certified • CUL listedView ProductModel: OT200LP-H25BTU: 199,999 (58.58)Gal: 100 gallonSKU: 55787
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OT200LP-H58OptiTHERM modulating, condensing high-efficiency commercial water heater • Altitude above 5,400 ft to 7,800 ft. max. • 100 gallon • 199,999 BTU/hr • LP Gas • NSF/ANSI certified • CUL listedView ProductModel: OT200LP-H58BTU: 199,999 (58.58)Gal: 100 gallonSKU: 55788
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51PG MIDCOPOWER GAS WATER HEATER WITH CARLIN 98590FR13251 GAS BURNERView ProductModel: 51PG MIDCOBTU: 152,000 (44.55)Gal: 50 gallonSKU: 58020 -
51PG CARLINPOWER GAS WATER HEATER WITH CARLIN EC200 GAS BURNERView ProductModel: 51PG CARLINBTU: 152,000 (44.55)Gal: 50 gallonSKU: 58021
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72PG MIDCOPOWER GAS WATER HEATER WITH CARLIN 98590FR17172 GAS BURNERView ProductModel: 72PG MIDCOBTU: 199,000 (58.32)Gal: 67 gallonSKU: 58050
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72PG CARLINPOWER GAS WATER HEATER WITH CARLIN EC300 GAS BURNERView ProductModel: 72PG CARLINBTU: 199,000 (58.32)Gal: 67 gallonSKU: 58040