OT400N2
SKU
55670-2
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 300,000 to 500,000 BTU/hr
- Up to 6:1 ratio
- Fully modulating from as low as 80,000 BTU/hr
- 119/125 gallon capacities
- Up to 99% thermal efficiency
- NEW Front venting
- NEW Minimum gas supply pressure 3.5" WC(NAT) and 8" WC(LP)
- 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
| SKU | 55670-2 |
|---|---|
| Model | OT400N2 |
| Brand/Description | OptiTHERM (High Eff Condense) |
| Type | Direct Fired |
| Fuel Type | Natural Gas |
| Thermal Efficiency | 99% |
| Capacity (gal) | 119 gallon |
| Max Rated Input BTU/HR (KW) | 400,000 (117.23) |
| ASME Certification | No |
| CUL Listed | Yes |
| CRN | Yes |
| CEC Listed | Yes |
| Emissions | Ultra Low NOx |
| Outdoor Certified-OptiTHERM<br>(Only order if in CA or AZ) | No |
| Altitude (Select For OptiTHERM) | 0-2,000 ft. (Opti Std. Models) |
| Modulating (High Eff Condense) | Yes |
| Warranty | 5-Year Limited Tank/Heat Exchanger |
| Weight | 1100.000000 |
OptiTHERM 300-500 Gen 2
Gas-Specification Sheets
Gas-Installation & Operation Manuals
OptiTHERM Common Venting
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