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. ODOT200LP-A-H25
    OptiTHERM Outdoor modulating, condensing high-efficiency commercial water heater • UL Listed for outdoor use in dry, warm climates • Altitudes above 2,000 ft to 5,000 ft max • 100 gallon • 199,000 BTU/hr • LP Gas • ASME certified • NSF/ANSI certified
    Model: ODOT200LP-A-H25
    BTU: 199,999 (58.58)
    Gal: 100 gallon
    SKU: 55906
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  2. ODOT250LP-A
    OptiTHERM Outdoor modulating, condensing high-efficiency commercial water heater • UL Listed for outdoor use in dry, warm climates • 100 gallon • 250,000 BTU/hr • LP Gas • ASME certified • NSF/ANSI certified
    Model: ODOT250LP-A
    BTU: 250,000 (73.26)
    Gal: 100 gallon
    SKU: 55892
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  3. ODOT250LP-A-H25
    OptiTHERM Outdoor modulating, condensing high-efficiency commercial water heater • UL Listed for outdoor use in dry, warm climates • Altitudes above 2,000 ft to 5,000 ft max • 100 gallon • 250,000 BTU/hr • LP Gas • ASME certified • NSF/ANSI certified
    Model: ODOT250LP-A-H25
    BTU: 250,000 (73.26)
    Gal: 100 gallon
    SKU: 55904
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  4. ODOT299LP-A
    OptiTHERM Outdoor modulating, condensing high-efficiency commercial water heater • UL Listed for outdoor use in dry, warm climates • 100 gallon • 299,000 BTU/hr • LP Gas • ASME certified • NSF/ANSI certified
    Model: ODOT299LP-A
    BTU: 299,999 (87.9)
    Gal: 100 gallon
    SKU: 55890
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  5. ODOT299LP-A-H25
    OptiTHERM Outdoor modulating, condensing high-efficiency commercial water heater • UL Listed for outdoor use in dry, warm climates • Altitudes above 2,000 ft to 5,000 ft max • 100 gallon • 299,000 BTU/hr • LP Gas • ASME certified • NSF/ANSI certified
    Model: ODOT299LP-A-H25
    BTU: 299,999 (87.9)
    Gal: 100 gallon
    SKU: 55902
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  6. 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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  7. 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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  8. 541PG-Nat.MIDCO
    NON-ASME POWER GAS WATER HEATER WITH MIDCO RE47008A GAS BURNER
    Model: 541PG-Nat.MIDCO
    BTU: 623,000 (182.58)
    Gal: 83 gallon
    SKU: 58165
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  9. 541PG-LP MIDCO
    NON-ASME POWER GAS WATER HEATER WITH MIDCO RE47008A L.P. GAS BURNER
    Model: 541PG-LP MIDCO
    BTU: 623,000 (182.58)
    Gal: 83 gallon
    SKU: 58170
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