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Items 1-9 of 17

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  1. OT200N-A-H28
    OptiTHERM modulating, condensing high-efficiency commercial water heater • Altitude above 2,000 ft to 7,800 ft. max. • 100 gallon • 199,999 BTU/hr • Natural Gas • ASME certified • NSF/ANSI certified • CUL listed
    Model: OT200N-A-H28
    BTU: 199,999 (58.58)
    Gal: 100 gallon
    SKU: 55750
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  2. OT250N-A-H28
    OptiTHERM modulating, condensing high-efficiency commercial water heater • Altitude above 2,000 ft to 7,800 ft. max. • 100 gallon • 250,000 BTU/hr • Natural Gas • ASME certified • NSF/ANSI certified • CUL listed
    Model: OT250N-A-H28
    BTU: 250,000 (73.26)
    Gal: 100 gallon
    SKU: 55752
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  3. OT299N-A-H28
    OptiTHERM modulating, condensing high-efficiency commercial water heater • Altitude above 2,000 ft to 7,800 ft. max. • 100 gallon • 299,999 BTU/hr • Natural Gas • ASME certified • NSF/ANSI certified • CUL listed
    Model: OT299N-A-H28
    BTU: 299,999 (87.9)
    Gal: 100 gallon
    SKU: 55755
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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. OT300LP2-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. LP Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT300LP2-A-H28
    BTU: 300,000 (87.92)
    Gal: 125 gallon
    SKU: 55705-2
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  8. OT400LP2-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. LP Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT400LP2-A-H28
    BTU: 400,000 (117.23)
    Gal: 125 gallon
    SKU: 55710-2
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  9. OT500LP2-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. LP Gas. ASME Certified. NSF/ANSI Certified. UL Listed
    Model: OT500LP2-A-H28
    BTU: 500,000 (146.50)
    Gal: 125 gallon
    SKU: 55715-2
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