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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8 Items

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8 Items

per page
Set Descending Direction
  1. EZ 90-199N
    EZFIT ATMOSPHERIC NATURAL GAS WATER HEATER
    Model: EZ 90-199N
    BTU: 199,000 (58.32)
    Gal: 90 gallon
    SKU: 55590
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  2. EZ 90-199LP
    EZFIT ATMOSPHERIC LP WATER HEATER
    Model: EZ 90-199LP
    BTU: 199,000 (58.32)
    Gal: 90 gallon
    SKU: 55592
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  3. 51PG MIDCO
    POWER GAS WATER HEATER WITH CARLIN 98590FR13251 GAS BURNER
    Model: 51PG MIDCO
    BTU: 152,000 (44.55)
    Gal: 50 gallon
    SKU: 58020
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  4. 51PG CARLIN
    POWER GAS WATER HEATER WITH CARLIN EC200 GAS BURNER
    Model: 51PG CARLIN
    BTU: 152,000 (44.55)
    Gal: 50 gallon
    SKU: 58021
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  5. 72PG MIDCO
    POWER GAS WATER HEATER WITH CARLIN 98590FR17172 GAS BURNER
    Model: 72PG MIDCO
    BTU: 199,000 (58.32)
    Gal: 67 gallon
    SKU: 58050
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  6. 72PG CARLIN
    POWER GAS WATER HEATER WITH CARLIN EC300 GAS BURNER
    Model: 72PG CARLIN
    BTU: 199,000 (58.32)
    Gal: 67 gallon
    SKU: 58040
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  7. 120PG MIDCO
    POWER GAS WATER HEATER WITH MIDCO EC200 GAS BURNER
    Model: 120PG MIDCO
    BTU: 155,000 (45.43)
    Gal: 113 gallon
    SKU: 58130
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  8. 120PG CARLIN
    POWER GAS WATER HEATER WITH CARLIN 98590FR112 GAS BURNER
    Model: 120PG CARLIN
    BTU: 155,000 (45.43)
    Gal: 113 gallon
    SKU: 58127
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