TRX SERIES II GAS-FIRED CONDENSING BOILER: TRX199C Series II

TRX SERIES II GAS-FIRED CONDENSING COMBI BOILER: TRX199C
199,000 BTU | Wall-Hung | 95% AFUE | Combi with DHW | ASME “H” Stamped

The TRX199C Series II is the largest combi boiler in the TRX lineup, delivering powerful central heating up to 199,000 BTU and continuous domestic hot water. With 95% AFUE efficiency, the TRX199C combines maximum performance with energy savings. Featuring a 441 stainless steel watertube heat exchanger and ASME “H” stamp certification, this combi boiler is designed for durability, safety, and reliable operation in high-demand applications. Integrated Wi-Fi smart controls provide convenient system monitoring and adjustments at your fingertips.

Energy Efficiency

The TRX199C delivers exceptional output with high energy savings:

• 95% AFUE seasonal efficiency.
• 10:1 modulation ratio for precise output control.
• Outdoor reset with included sensor for adaptive heating performance.
• Low NOx emissions for eco-friendly operation.

Reliable Function

Engineered for long-term durability and dependable performance:

• ASME “H” stamped 441 stainless-steel watertube heat exchanger.
• Integrated ECM circulator and 3-way diverter valve for seamless CH/DHW switching.
• Automatic fault detection, lockout, and diagnostic history.
• Quiet operation with sealed combustion cabinet.

Convenience & Installation

Designed for professional installation and easy service:

• Wall-mounted design with zero clearance to combustibles.
• Setup Wizard simplifies commissioning process.
• Wi-Fi enabled for remote monitoring and adjustment.
• High DHW output with integrated plate heat exchanger and flow sensor.

Warranty Coverage

NTI provides industry-leading warranty coverage, protecting the stainless steel heat exchanger and other vital components for years of dependable service and peace of mind.