OT125N-H25

OptiTHERM modulating, condensing high-efficiency commercial water heater • Altitude above 2,000 ft to 5,400 ft. max. • 99 gallon • 125,000 BTU/hr • Natural Gas • NSF/ANSI certified • CUL listed

SKU

55820

SKU

55820

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Modulating Condensing Commercial Water Heaters

Up to 99% Thermal Efficiency by Modulating Fuel Input to Supply Variable Domestic Hot Water Demand

Five-Year Limited Tank/Heat Exchanger Warranty
- THE INDUSTRY'S FINEST

OptiTherm® for Optimal Thermal Efficiency:

Maximum inputs from 125,000 to 500,000 BTU/hr
- Fully modulating from as low as 60,000 BTU/hr
99/100/125 gallon capacities
Up to 99% thermal efficiency
Automatic cathodic corrosion protection system
- No sacrificial anode rods
PVC/CPVC/ABS venting - 240' maximum power vent length
LCD user interface with optional BMS interface
Ecomate® insulation
Glass-fused-to-steel water tank and heat exchanger
SCAQMD certified Ultra-Low NOx
Natural gas or propane fuel
Stealth Quiet™ operation
Fits through a 36-inch door
Concentric vent kit available

Turboflue® High Performance Heat Exchanger:

Patented helical-fin multi-stage design
Superior heat conduction and fuel efficiency

Made in the USA

Specifications
SKU	55820
Model	OT125N-H25
Brand/Description	OptiTHERM (High Eff Condense)
Type	Direct Fired
Fuel Type	Natural Gas
Thermal Efficiency	96-99% (High Eff Condense)
Capacity (gal)	99 gallon
Max Rated Input BTU/HR (KW)	125,000 (36.63)
ASME Certification	No
CUL Listed	Yes
CRN	Yes
CEC Listed	Yes
Emissions	Ultra Low NOx
Outdoor Certified-OptiTHERM (Only order if in CA or AZ)	No
Altitude (Select For OptiTHERM)	2,000-5,400 ft. (Opti-H25 Models)
Modulating (High Eff Condense)	Yes
Warranty	5-Year Limited Tank/Heat Exchanger
Weight	900.000000
Manufactured Unit Rank	1