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NTI TRX Series wall-hung boiler

The TRX is a high-efficiency, wall-hung boiler equipped with an Innovative XTRATECH® stainless steel heat exchanger with large diameter tubing. 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.

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Description

The TRX is a high-efficiency, wall-hung boiler equipped with an Innovative XTRATECH® stainless steel heat exchanger with large diameter tubing. 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.

Main Features

  • Models up to 96% AFUE
  • Modulating Combustion up to 11:1
  • Wi-Fi on board for remote control and monitoring
  • Integrated ECM pump and DHW diverter valve on all models
  • Small zone valve systems may not require an additional pump or a low loss header
  • Easy service access and quick component connections

Specifications

MODEL TRX085 TRX120 TRX110C TRX150C TRX150
*NEW*
TRX199
*NEW*
TRX199C
*NEW*
Space Heating
Minimum / Maximum Input (Btu/Hr)
9,400 / 85,000 13,200 / 120,000 11,200 / 106,000 13,200 / 120,000 15,000 / 150,000 NG19,700 / 197,000

LP 19,200 / 192,000

NG 19,700 / 197,000

LP 19,200 / 192,000

Domestic Hot Water
Minimum / Maximum Input (Btu/Hr)
11,200 / 114,000 13,200 / 150,000
DOE AFUE (%) 96 95 95.5 95 95 95 95
Heating capacity 79 111 98 111 139 184 184
Net AHRI Rating 69 97 85 97 121 160 160
DHW Flow Rating (at 77°F rise, gpm) N/A N/A 2.7 3.5 N/A N/A 4.8
Installation type Indoor, Wall Hung, Fully Condensing Indoor, Wall Hung, Fully Condensing Indoor, Wall Hung, Fully Condensing Indoor, Wall Hung, Fully Condensing Indoor, Wall Hung, Fully Condensing Indoor, Wall Hung, Fully Condensing Indoor, Wall Hung, Fully Condensing
Weight (lbs.) 88.2 88.6 91 92.8 115 130 135
Gas connection 3/4” Male NPT 3/4” Male NPT 3/4” Male NPT 3/4” Male NPT 3/4” Male NPT 3/4” Male NPT 3/4” Male NPT
CH connections 1” Male Sweat with Adapter 1” Male Sweat with Adapter 1” Male Sweat with Adapter 1” Male Sweat with Adapter 1 1/4” Male NPT 1 1/4” Male NPT 1 1/4” Male NPT
DHW connections N/A N/A 3/4” Male Sweat with Adapter 3/4” Male Sweat with Adapter N/A N/A 3/4” Male NPT
Flue Category IV, Sealed Combustion Direct Vent, Power Vent Category IV, Sealed Combustion Direct Vent, Power Vent Category IV, Sealed Combustion Direct Vent, Power Vent Category IV, Sealed Combustion Direct Vent, Power Vent Category IV, Sealed Combustion Direct Vent, Power Vent Category IV, Sealed Combustion Direct Vent, Power Vent Category IV, Sealed Combustion Direct Vent, Power Vent
Minimum – Maximum Exhaust Vent Run 2” (6 – 100 feet), 3” (6 – 150 feet) 2” (6 – 100 feet), 3” (6 – 150 feet) 2” (6 – 100 feet), 3” (6 – 150 feet) 2” (6 – 100 feet), 3” (6 – 150 feet) 2” (6 – 100 feet) / 3” (6 – 150 feet) 3” (6 – 150 feet) 3” (6 – 150 feet)
Minimum – Maximum Intake Air Pipe Run 2” (0 – 100 feet), 3” (0 – 150 feet) 2” (0 – 100 feet), 3” (0 – 150 feet) 2” (0 – 100 feet), 3” (0 – 150 feet) 2” (0 – 100 feet), 3” (0 – 150 feet) 2” (0 – 100 feet) / 3” (0 – 150 feet) 3” (0 – 150 feet) 3” (0 – 150 feet)
Shipping Weight (lbs) 78 84 83 84 115 125 130
Power Supply 120V, 60 Hz, less than 12A 120V, 60 Hz, less than 12A 120V, 60 Hz, less than 12A 120V, 60 Hz, less than 12A 120V, 60 Hz, less than 12A 120V, 60 Hz, less than 12A 120V, 60 Hz, less than 12A

Brand

NTI

Explore NTI’s high-efficiency boilers and hydronic heating systems at Nordics™. Reliable, energy-saving solutions for residential and commercial spaces.
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