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Items 1-9 of 20

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  1. OT300N2-A
    OptiTherm modulating condensing high effeciency commercial water heater. 125 gallons. 300,000 BTU/hr. Natural Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT300N2-A
    BTU: 300,000 (87.92)
    Gal: 125 gallon
    SKU: 55660-2
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  2. OT400N2-A
    OptiTherm modulating condensing high effeciency commercial water heater. 125 gallons. 400,000 BTU/hr. Natural Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT400N2-A
    BTU: 400,000 (117.23)
    Gal: 125 gallon
    SKU: 55662-2
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  3. OT500N2-A
    OptiTherm modulating condensing high effeciency commercial water heater. 125 gallons. 500,000 BTU/hr. Natural Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT500N2-A
    BTU: 500,000 (146.50)
    Gal: 125 gallon
    SKU: 55665-2
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  4. OT300N2-A-H28
    OptiTherm modulating condensing high effeciency commercial water heater. Altitudes above 2,000 to 7,800 ft max. 125 gallons. 300,000 BTU/hr. Natural Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT300N2-A-H28
    BTU: 300,000 (87.92)
    Gal: 125 gallon
    SKU: 55675-2
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  5. OT400N2-A-H28
    OptiTherm modulating condensing high effeciency commercial water heater. Altitudes above 2,000 to 7,800 ft max. 125 gallons. 400,000 BTU/hr. Natural Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT400N2-A-H28
    BTU: 400,000 (117.23)
    Gal: 125 gallon
    SKU: 55677-2
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  6. OT500N2-A-H28
    OptiTherm modulating condensing high effeciency commercial water heater. Altitudes above 2,000 to 7,800 ft max. 125 gallons. 500,000 BTU/hr. Natural Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT500N2-A-H28
    BTU: 500,000 (146.50)
    Gal: 125 gallon
    SKU: 55680-2
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  7. OT600N-A
    OptiTHERM modulating condensing high efficiency commercial water heater. 130 Gallons. 600,000 BTU/hr. Natural Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT600N-A
    Gal: 130 gallon
    SKU: 55940
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  8. OT700N-A
    OptiTHERM modulating condensing high efficiency commercial water heater. 130 Gallons. 700,000 BTU/hr. Natural Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT700N-A
    Gal: 130 gallon
    SKU: 55942
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  9. OT800N-A
    OptiTHERM modulating condensing high efficiency commercial water heater. 130 Gallons. 800,000 BTU/hr. Natural Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT800N-A
    Gal: 130 gallon
    SKU: 55944
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