NTI Boiler Manuals
Select your NTI model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate.
NTI boilers by model number
| Model | Description | Certified |
|---|---|---|
| FTVN085FTVN | 96% AFUE condensing gas boiler | November 2021 |
| FTVN110FTVN | 95% AFUE condensing gas boiler | November 2021 |
| FTVN110CFTVN | 95% AFUE condensing gas boiler | November 2021 |
| FTVN150FTVN | 95% AFUE condensing gas boiler | November 2021 |
| FTVN150CFTVN | 95% AFUE condensing gas boiler | November 2021 |
| FTVN199FTVN | 95% AFUE condensing gas boiler | November 2021 |
| FTVN199CFTVN | 95% AFUE condensing gas boiler | November 2021 |
| LX150Trinity | 93% AFUE condensing gas boiler | November 2021 |
| LX200Trinity | 93% AFUE condensing gas boiler | November 2021 |
| LX300Trinity | 93% AFUE condensing gas boiler | November 2021 |
| NC085Compass | 96% AFUE condensing gas boiler | January 2024 |
| NC110Compass | 95% AFUE condensing gas boiler | January 2024 |
| NC110CCompass | 95% AFUE condensing gas boiler | January 2024 |
| NC150Compass | 95% AFUE condensing gas boiler | January 2024 |
| NC150CCompass | 95% AFUE condensing gas boiler | January 2024 |
| NC199Compass | 95% AFUE condensing gas boiler | January 2024 |
| NC199CCompass | 95% AFUE condensing gas boiler | January 2024 |
| TFT285Trinity | 95% AFUE condensing gas boiler | November 2021 |
| TFTN085TFTN | 96% AFUE condensing gas boiler | February 2023 |
| TFTN110TFTN | 95% AFUE condensing gas boiler | February 2023 |
| TFTN150TFTN | 95% AFUE condensing gas boiler | February 2023 |
| TFTN199TFTN | 95% AFUE condensing gas boiler | February 2023 |
| TFTN285TFTN | 95% AFUE condensing gas boiler | February 2023 |
| TRX085TRITONEX | 96% AFUE condensing gas boiler | November 2021 |
| TRX110CTRITONEX | 95% AFUE condensing gas boiler | November 2021 |
| TRX120TRITONEX | 95% AFUE condensing gas boiler | November 2021 |
| TRX150TRITONEX | 95% AFUE condensing gas boiler | November 2021 |
| TRX150CTRITONEX | 95% AFUE condensing gas boiler | November 2021 |
| TRX199TRITONEX | 95% AFUE condensing gas boiler | November 2021 |
| TRX199CTRITONEX | 95% AFUE condensing gas boiler | November 2021 |