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TRX Series II

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.

Key Features

  • Models up to 96% AFUE
  • Modulating Combustion up to 11:1
  • Built-In Internet Connectivity via NTI Net
  • Integrated ECM pump and DHW diverter valve on all models
  • Easy User Interface
  • Easy service access and quick component connections
  • Cascade up to 8
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Remote Connectivity
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Specifications

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Product comparison
TRX085-II,TRX120-II,TRX110C-II,TRX150C-II,TRX150-II,TRX199-II,TRX199C-II
Model Code
model_code
UPC
upc
Space Heating Minimum / Maximum Input (Btu/Hr)
space_heating_min_max_input_btu_hr
Domestic Hot Water Capacity (77F Rise) in GPM
dhw_capacity_77f_rise_gpm
DOE AFUE (%)
doe_afue_percent
Heating Capacity
heating_capacity
Net ARHI Rating
net_ahri_rating
DHW Flow Rating (at 77°F rise, gpm)
dhw_flow_rating_77f_rise_gpm
Installation type
installation_type
Weight (lbs.)
weight_lbs
Gas Connection
gas_connection
CH Connections
ch_connections
DHW Connections
dhw_connections
Flue
flue
Minimum - Maximum Exhaust Vent Run
exhaust_vent_run_min_max
Minimum - Maximum Intake Air Pipe Run
intake_air_pipe_run_min_max
Power Supply
power_supply
Shipping Weight (lbs)
shipping_weight_lbs

Manuals & Guides

TRX Series II Brochure
/content/dam/NTI/products/TRX-Series-II/Downloads/TRX%20Series%20II%20Brochure.pdf
download
TRX Series II Brochure Fr
/content/dam/NTI/products/TRX-Series-II/Downloads/TRX%20Series%20II%20Brochure%20Fr.pdf
download
TRX Series II Installation and Operation Manual TRX085/110C/120/150C
/content/dam/NTI/products/TRX-Series-II/Downloads/TRX%20Series%20II%20Installation%20and%20Operation%20Manual%20TRX085-110C-120-150C.pdf
download
TRX Series II Installation and Operation Manual TRX150/199/199C
/content/dam/NTI/products/TRX-Series-II/Downloads/TRX%20Series%20II%20Installation%20and%20Operation%20Manual%20TRX150-199-199C.pdf
download
TRX Accessory Box
/content/dam/NTI/products/TRX-Series-II/Downloads/TRX%20Accessory%20Box.pdf
download
TRX Series II TRX085/110C/120/150C Parts List
/content/dam/NTI/products/TRX-Series-II/Downloads/TRX%20Series%20II%20TRX085-110C-120-150C%20Parts%20List.pdf
download
TRX Series II TRX150/199/199C Spare Parts
/content/dam/NTI/products/TRX-Series-II/Downloads/TRX%20Series%20II%20TRX150-199-199C%20Spare%20Parts.pdf
download
TRX Series II Submittal
/content/dam/NTI/products/TRX-Series-II/Downloads/TRX%20Series%20II%20Submittal.pdf
download
Cascade Instructions – TRX/FTVN/NTI Compass Series II
/content/dam/NTI/products/TRX-Series-II/Downloads/Cascade%20Instructions%20%E2%80%93%20TRX-FTVN-NTI%20Compass%20Series%20II.pdf
download
LP Conversion TRX085/120/110C/150C Series II
/content/dam/NTI/products/TRX-Series-II/Downloads/LP%20Conversion%20TRX085-120-110C-150C%20Series%20II.pdf
download
LP Conversion TRX150/199/199C Series II
/content/dam/NTI/products/TRX-Series-II/Downloads/LP%20Conversion%20TRX150-199-199C%20Series%20II.pdf
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TRX & FTVN Revit Files
/content/dam/NTI/products/TRX-Series-II/Downloads/TRX%20&%20FTVN%20Revit%20Files.7z
download
Important Warranty Information
/content/dam/NTI/products/TRX-Series-II/Downloads/Important%20Warranty%20Information.pdf
download
Water Quality Best Practices
/content/dam/NTI/products/FTVN-Series-II/Downloads/FTVN%20Series%20II%20Installation%20and%20Operation%20Manual%20FR.pdf
download
TRX/FTVN SII Connectivity Quick Start Guide
/content/dam/NTI/products/TRX-Series-II/Downloads/TRX-FTVN%20SII%20Connectivity%20Quick%20Start%20Guide.pdf
download
TRX085, 110C, 120, 150C Series II Quick Start Guide
/content/dam/NTI/products/TRX-Series-II/Downloads/TRX085,%20110C,%20120,%20150C%20Series%20II%20Quick%20Start%20Guide.pdf
download
TRX Series II Installation and Operation Manual TRX085/110C/120/150C FR
/content/dam/NTI/products/TRX-Series-II/Downloads/TRX%20Series%20II%20Installation%20and%20Operation%20Manual%20TRX085-110C-120-150C%20FR.pdf
download
TRX Series II Installation and Operation Manual TRX150/199/199C FR
/content/dam/NTI/products/TRX-Series-II/Downloads/TRX%20Series%20II%20Installation%20and%20Operation%20Manual%20TRX150-199-199C%20FR.pdf
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Adjusting Setting DHW and Central Heat Setpoints

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Warranty

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Accessories

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/content/nti/products/accessories/galvanized-floor-stands
We are pleased to announce the availability of two low cost galvanized floor stands for…
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/content/nti/products/accessories/0-10v-4-20ma-clip-in-module
The N-Link (3-Zone Control Module) is designed to connect to TFTN series boilers, enabling the…
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/content/nti/products/accessories/heat-exchanger-coil-cleaning-tool
The Heat Exchanger Coil Cleaning Tool is a device that helps you maintain the efficiency…
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