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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6 Items

per page
Set Descending Direction
  1. 80W-425SD-NA
    NON-ASME CONSTRUCTED, NATURAL GAS BURNER WITH SPARK DAMPER ENERGY SAVER ATMOSPHERIC WATER HEATER
    Model: 80W-425SD-NA
    BTU: 425,000 (124.56)
    Gal: 80 gallon
    SKU: 55144
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  2. 80W-425SD-NA-A
    ASME CONSTRUCTED, NATURAL GAS BURNER WITH SPARK DAMPER ENERGY SAVER ATMOSPHERIC WATER HEATER
    Model: 80W-425SD-NA-A
    BTU: 425,000 (124.56)
    Gal: 80 gallon
    SKU: 55146
    View Product
  3. 80W-425SD-XA
    NON-ASME CONSTRUCTED, NATURAL GAS BURNER WITH SPARK DAMPER ENERGY SAVER ATMOSPHERIC WATER HEATER
    Model: 80W-425SD-XA
    BTU: 425,000 (124.56)
    Gal: 80 gallon
    SKU: 55145
    View Product
  4. 80W-425SD-XA-A
    ASME CONSTRUCTED, NATURAL GAS BURNER WITH SPARK DAMPER ENERGY SAVER ATMOSPHERIC WATER HEATER
    Model: 80W-425SD-XA-A
    BTU: 425,000 (124.56)
    Gal: 80 gallon
    SKU: 55147
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  5. 361PG MIDCO
    NON-ASME POWER GAS WATER HEATER WITH MIDCO RE4400DS GAS BURNER
    Model: 361PG MIDCO
    BTU: 385,000 (112.83)
    Gal: 91 gallon
    SKU: 58140
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  6. 80W-505SD-NA
    NON-ASME CONSTRUCTED, NATURAL GAS BURNER WITH SPARK DAMPER ENERGY SAVER ATMOSPHERIC WATER HEATER
    Model: 80W-505SD-NA
    BTU: 505,000 (148.00)
    Gal: 80 gallon
    SKU: 55160
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