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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 37-45 of 49

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Items 37-45 of 49

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  1. 75W-125SDLN-XA
    75W-125SDLN-XA
    NON-ASME CONSTRUCTED, L.P. GAS LO-NOX BURNER WITH SPARK DAMPER ENERGY SAVER ATMOSPHERIC WATER HEATER
    Model: 75W-125SDLN-XA
    BTU: 125,000 (36.63)
    Gal: 75 gallon
    SKU: 55342
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  2. 75W-160SDLN-XA
    75W-160SDLN-XA
    NON-ASME CONSTRUCTED, L.P. GAS LO-NOX BURNER WITH SPARK DAMPER ENERGY SAVER ATMOSPHERIC WATER HEATER
    Model: 75W-160SDLN-XA
    BTU: 160,000 (46.89)
    Gal: 75 gallon
    SKU: 55344
    View Product
  3. 75W-300SDLN-XA
    75W-300SDLN-XA
    NON-ASME CONSTRUCTED, L.P. GAS LO-NOX BURNER WITH SPARK DAMPER ENERGY SAVER ATMOSPHERIC WATER HEATER
    Model: 75W-300SDLN-XA
    BTU: 300,000 (87.92)
    Gal: 75 gallon
    SKU: 55362
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  4. 66W-370SDLN-XA
    66W-370SDLN-XA
    NON-ASME CONSTRUCTED, L.P. GAS LO-NOX BURNER WITH SPARK DAMPER ENERGY SAVER ATMOSPHERIC WATER HEATER
    Model: 66W-370SDLN-XA
    BTU: 370,000 (108.44)
    Gal: 65 gallon
    SKU: 55370
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  5. 75W-300SDLN-XA-A
    75W-300SDLN-XA-A
    ASME CONSTRUCTED, L.P. GAS LO-NOX BURNER WITH SPARK DAMPER ENERGY SAVER ATMOSPHERIC WATER HEATER
    Model: 75W-300SDLN-XA-A
    BTU: 300,000 (87.92)
    Gal: 75 gallon
    SKU: 55364
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  6. 66W-370SDLN-XA-A
    66W-370SDLN-XA-A
    ASME CONSTRUCTED, L.P. GAS LO-NOX BURNER WITH SPARK DAMPER ENERGY SAVER ATMOSPHERIC WATER HEATER
    Model: 66W-370SDLN-XA-A
    BTU: 370,000 (108.44)
    Gal: 65 gallon
    SKU: 55372
    View Product
  7. 50ESPG MIDCO
    50ESPG MIDCO
    POWER GAS WATER HEATER WITH MIDCO EC200 GAS BURNER
    Model: 50ESPG MIDCO
    BTU: 140,100 (41.05)
    Gal: 50 gallon
    SKU: 58002
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  8. 51PG MIDCO
    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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  9. 51PG CARLIN
    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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