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  1. 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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  2. OT900LP-A
    OptiTHERM modulating condensing high efficiency commercial water heater. 130 Gallons. 900,000 BTU/hr. LP Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT900LP-A
    Gal: 130 gallon
    SKU: 55954
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  3. OT600N-A-H28
    OptiTHERM modulating condensing high efficiency commercial water heater. Altitudes above 2,000 to 7,800 ft max. 130 Gallons. 600,000 BTU/hr. Natural Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT600N-A-H28
    Gal: 130 gallon
    SKU: 55956
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  4. OT700N-A-H28
    OptiTHERM modulating condensing high efficiency commercial water heater. Altitudes above 2,000 to 7,800 ft max. 130 Gallons. 700,000 BTU/hr. Natural Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT700N-A-H28
    Gal: 130 gallon
    SKU: 55958
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  5. OT800N-A-H28
    OptiTHERM modulating condensing high efficiency commercial water heater. Altitudes above 2,000 to 7,800 ft max. 130 Gallons. 800,000 BTU/hr. Natural Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT800N-A-H28
    Gal: 130 gallon
    SKU: 55960
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  6. OT900N-A-H28
    OptiTHERM modulating condensing high efficiency commercial water heater. Altitudes above 2,000 to 7,800 ft max. 130 Gallons. 900,000 BTU/hr. Natural Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT900N-A-H28
    Gal: 130 gallon
    SKU: 55962
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  7. OT600LP-A-H28
    OptiTHERM modulating condensing high efficiency commercial water heater. Altitudes above 2,000 to 7,800 ft max. 130 Gallons. 600,000 BTU/hr. LP Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT600LP-A-H28
    Gal: 130 gallon
    SKU: 55964
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  8. OT700LP-A-H28
    OptiTHERM modulating condensing high efficiency commercial water heater. Altitudes above 2,000 to 7,800 ft max. 130 Gallons. 700,000 BTU/hr. LP Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT700LP-A-H28
    Gal: 130 gallon
    SKU: 55966
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  9. OT800LP-A-H28
    OptiTHERM modulating condensing high efficiency commercial water heater. Altitudes above 2,000 to 7,800 ft max. 130 Gallons. 800,000 BTU/hr. LP Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT800LP-A-H28
    Gal: 130 gallon
    SKU: 55968
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