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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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Items 10-18 of 24

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  1. 250-800,ASME,GAS
    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. 250-1000,ASME,GAS
    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
    View Product
  3. 250-1250,ASME,GAS
    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
    View Product
  4. 250-1500,ASME,GAS
    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. 541PG LP MIDCO
    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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  6. 541PG LP MIDCO ASME
    541PG LP MIDCO ASME
    ASME CONSTRUCTION, POWER GAS WATER HEATER WITH MIDCO RE4700BA LP GAS BURNER
    Model: 541PG LP MIDCO ASME
    BTU: 623,000 (182.58)
    Gal: 83 gallon
    SKU: 58185
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  7. OT600LP-A
    OT600LP-A
    OptiTHERM modulating condensing high efficiency commercial water heater. 130 Gallons. 600,000 BTU/hr. LP Gas. ASME Certified. NSF/ANSI Certified. UL Listed.
    Model: OT600LP-A
    Gal: 130 gallon
    SKU: 55948
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  8. OT700LP-A
    OT700LP-A
    OptiTHERM modulating condensing high efficiency commercial water heater. 130 Gallons. 700,000 BTU/hr. LP Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT700LP-A
    Gal: 130 gallon
    SKU: 55950
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  9. OT800LP-A
    OT800LP-A
    OptiTHERM modulating condensing high efficiency commercial water heater. 130 Gallons. 800,000 BTU/hr. LP Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT800LP-A
    Gal: 130 gallon
    SKU: 55952
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