TRX SERIES II GAS-FIRED CONDENSING BOILER: TRX120 Series II

TRX SERIES II GAS-FIRED CONDENSING BOILER: TRX120
120,000 BTU | Wall-Hung | 95% AFUE | ASME “H” Stamped

The TRX120 Series II is a high-efficiency condensing boiler engineered for reliable residential or light commercial heating. With a modulation ratio up to 10:1 and a 95% AFUE efficiency rating, the TRX120 maximizes comfort while minimizing fuel consumption. It features a durable 441 stainless steel watertube heat exchanger, ASME “H” stamp certification, and sealed combustion technology for quiet, safe, and dependable operation. Integrated Wi-Fi smart controls provide easy system monitoring and adjustment.

Energy Efficiency

Designed to deliver maximum energy savings with minimal emissions:

• 95% AFUE rating for significant energy cost reductions.
• 10:1 modulation ratio for optimal load matching.
• Outdoor reset capability with included sensor for responsive heating control.
• Low NOx emissions and eco-friendly operation.

Reliable Function

Built to provide dependable comfort and system safety:

• ASME “H” stamped 441 stainless-steel watertube heat exchanger.
• Integrated ECM boiler circulator for efficiency and durability.
• Sealed cabinet construction for quiet operation.
• Full system protection with automatic diagnostics and error logging.

Convenience & Installation

Simplified design for quick installation and easy service:

• Wall-hung unit with zero clearance to combustibles.
• Setup Wizard for fast commissioning.
• Wi-Fi enabled smart controls for remote monitoring.
• Compact, lightweight design suitable for tight spaces.

Warranty Coverage

NTI backs the TRX Series II with comprehensive warranty protection for the stainless steel heat exchanger and other key components, ensuring years of reliable service and peace of mind.