NTI TRX High-Efficiency Condensing Boiler – Installation Included
Looking for a high-efficiency boiler installed in Toronto or the GTA?
The NTI TRX Series is a premium condensing boiler available in both heat-only and combi configurations, designed for modern hydronic heating systems.
✔ Up to 96% efficiency
✔ Heating + optional domestic hot water (combi models)
✔ Installation included by licensed HVAC professionals
Ideal for radiant floor heating, baseboards, and hydronic air handler systems.
Explore available systems in our Boilers & Combi Boilers collection:
Installation Included in Toronto & GTA
Your purchase includes professional installation by licensed hydronic HVAC technicians.
✔ Boiler mounting and setup
✔ Heating system connection
✔ (Combi) domestic water connection
✔ Gas and vent connection
✔ Condensate drain
✔ Control wiring
✔ Full system commissioning
✔ Delivery of the boiler
✔ Removal of existing unit (if applicable)
✔ Standard venting installation
✔ System testing and startup
✔ Basic cleanup
Additional work (if required) will be quoted separately.
Key Features of NTI TRX Boiler
✔ Up to 96% AFUE efficiency
✔ Stainless steel XTRATECH® heat exchanger
✔ Heating-only and combi models available
✔ Wall-mounted compact design
✔ Ideal for hydronic heating systems
Advanced Comfort & Modulation
✔ Wide modulation range
✔ Stable temperature control
✔ Reduced cycling
✔ Quiet operation
✔ Multi-zone compatible
Built-In Smart Connectivity
✔ Built-in Wi-Fi control
✔ Remote diagnostics
✔ Service monitoring
✔ Installer access tools
Service-Friendly Design
✔ Swing-down control panel
✔ Quick-connect components
✔ Easy maintenance access
✔ No internal brazing joints
Flexible Installation Advantages
✔ 2″ vent up to 100 ft
✔ 3″ vent up to 150 ft
✔ Wall-hung space-saving design
✔ Natural gas or propane compatible
✔ Retrofit friendly
Warranty
✔ Heat exchanger: manufacturer warranty
✔ Parts: 5 years
✔ Labour: 1 year
✔ Optional 10-year labour warranty available (+$700)
Choosing Heat-Only vs Combi
Choose Heat-Only if:
• You have an indirect tank
• Large hot water demand
• Dedicated hydronic heating system
Choose Combi if:
• You want heating + hot water in one unit
• Space-saving is important
• Moderate hot water usage
Specifications
| MODEL | TRX085 | TRX120 | TRX110C | TRX150C | TRX150 |
TRX199 |
TRX199C |
|---|---|---|---|---|---|---|---|
| Heating specs |
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 |
| DHW specs |
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) | 2” (6 - 100 feet)* / 3” (6 - 150 feet) | 2” (6 - 100 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) | 2” (0 - 100 feet)* / 3” (0 - 150 feet) | 2” (0 - 100 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 |
Documents:
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Parts: 5 Years
Labor: 1 Year
Additional Costs May Apply for Non-Standard Installation
Some situations may require work beyond standard installation. Examples include:
- Moving the boiler to a different location.
- Upgrading electrical or plumbing systems.
- Installing a complex or high-efficiency venting system.
- Adding a condensate pump or other accessories.
Please note that the boiler cannot be sold without installation, as it requires a certified technician to carry out the installation for safety reasons.
Therefore, we kindly request that you contact us before making a purchase. Our technicians will visit your home to provide you with a quote for the installation.
This information is general. Contact us for proper Boiler size, talk to an advisor, or request an in-home consultation.
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