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The TRX Series II is a high-efficiency, wall-hung boiler equipped with an Innovative XTRATECH® stainless steel heat exchanger with large diameter tubing. Experience the future of simplicity with TRX Series II, featuring a user interface that's been reimagined for efficiency and ease of use. Every unit is equipped with embedded Wi-Fi connectivity so that the TRX control can easily communicate with NTI remote connectivity tools, making servicing easier. All internal components utilize bayonet quick connectors, eliminating the need to braze or solder within the unit. Swing down control box greatly enhances serviceability, making all major components easily accessible.
NTI High Efficiency Condensing Gas Boiler, TRX II Series, 120 VAC, 12 A, 60 Hz, 1 ph Phase, 95 % AFUE Rating, 197000 Btu/hr, 2.7 gal Capacity, 2 gpm Flow Rate, 55 psi, 3/4 in MNPT Gas, 1-1/4 in MNPT Water Connection, Liquid Propane Gas, Natural Gas Fuel, Exhaust Vent, Modulation Burner, Chimney/Breeching/Vent Size: 3 in, 184 mbh DOE Heating Capacity, 1 in Flue Outlet, Direct Spark Ignition, 160 mbh Net IBR, Wall Mounting, 304L Stainless Steel, Finish: Galvanized/Painted, 33 to 104 deg F, 37-1/2 in H x 19-7/8 in W x 18 in D, Additional Information: Non-Combi Model, 3/4 in Gas Connection Size, 3/4 in Water Connection Size
| Series | : | TRX II Series |
| Voltage Rating | : | 120 VAC |
| Amperage Rating | : | 12 A |
| Frequency Rating | : | 60 Hz |
| Phase | : | 1 ph |
| AFUE Rating | : | 95 % |
| BTU Rating | : | 197000 Btu/hr |
| Capacity | : | 2.7 gal |
| Flow Rate | : | 2 gpm |
| Pressure Rating | : | 55 psi |
| Connection Type | : | 3/4 in MNPT Gas, 1-1/4 in MNPT Water |
| Fuel Type | : | Liquid Propane Gas, Natural Gas |
| Vent Type | : | Exhaust |
| Burner Type | : | Modulation |
| Chimney/Breeching/Vent Size | : | 3 in |
| DOE Heating Capacity | : | 184 mbh |
| Flue Outlet Size | : | 1 in |
| Ignition Type | : | Direct Spark |
| Net IBR Rating | : | 160 mbh |
| Mounting Type | : | Wall |
| Material | : | 304L Stainless Steel |
| Finish | : | Galvanized/Painted |
| Temperature Rating | : | 33 to 104 deg F |
| Dimensions | : | 37-1/2 in H x 19-7/8 in W x 18 in D |
| Additional Information | : | Non-Combi Model, 3/4 in Gas Connection Size, 3/4 in Water Connection Size |
- Models up to 96% AFUE
- Integrated ECM pump and DHW diverter valve on all models
- Internal diverter valve eliminates need for indirect pump
- Small zone valve systems may not require an additional pump or a low loss header
- Wi-Fi on board for remote control and monitoring
- Easy service access and quick component connections
- Innovative XTRATECH® stainless steel heat exchanger with large diameter tubing
- ASME H stamped boiler, designed and constructed in compliance with the ASME boiler and pressure vessel code section IV
- Certified as direct vent (sealed combustion) or for use with indoor combustion air
- Modulating combustion up to 11:1 ratio
- Zero clearance to combustibles (clearances required for service)
- Integral microprocessor safety control flame safeguard and temperature
- Sealed cabinet and high energy ignition transformer (spark ignition)
- Built-in water pressure bypass (guarantees minimum water flow)
- Low water pressure switch
- Integrated ECM boiler circulator
- Integrated 3-way valve (diverts between DHW and CH demands)
- On/off button and (2) 120 VAC outputs for external circulators (DHW/CH)
- DHW zone input (tank thermostat or sensor) and CH zone input x 2 (room sensor or end switch)
- Outdoor temperature sensor input and Wi-Fi remote connectivity embedded
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