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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  1. 250G-800
    ASME CONSTRUCTED MULTI-FLUE INDUSTRIAL WATER HEATER WITH POWER GAS BURNER
    Model: 250G-800
    BTU: 800,000 (234.46)
    Gal: 242 gallon
    SKU: 56576
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  2. 250G-1000
    ASME CONSTRUCTED MULTI-FLUE INDUSTRIAL WATER HEATER WITH POWER GAS BURNER
    Model: 250G-1000
    BTU: 1,000,000 (293.07)
    Gal: 242 gallon
    SKU: 56556
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  3. 250G-1250
    ASME CONSTRUCTED MULTI-FLUE INDUSTRIAL WATER HEATER WITH POWER GAS BURNER
    Model: 250G-1250
    BTU: 1,250,000 (366.34)
    Gal: 242 gallon
    SKU: 56536
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  4. 250G-1500
    ASME CONSTRUCTED MULTI-FLUE INDUSTRIAL WATER HEATER WITH POWER GAS BURNER
    Model: 250G-1500
    BTU: 1,500,000 (439.61)
    Gal: 242 gallon
    SKU: 56516
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  5. 150G-800
    ASME CONSTRUCTED MULTI-FLUE INDUSTRIAL WATER HEATER WITH POWER GAS BURNER
    Model: 150G-800
    BTU: 800,000 (234.46)
    Gal: 160 gallon
    SKU: 56765
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