NTI TFTN155
The NTI TFTN155 is a Up to 95% AFUE heating only boiler with a 155,000 BTU/hr BTU output, part of the NTI TFTN (Trinity Fire Tube) line. GasBoilers.ca installs, repairs, and maintains the TFTN155 across Greater Vancouver — Red Seal–certified, TSBC-licensed, same-day repair available. Call 604-359-1081.
NTI TFTN155 overview
The TFTN, or Trinity Fire Tube, is NTI's heating-only condensing boiler line spanning residential through light-commercial loads up to 399,000 BTU/hr. It uses a stainless-steel fire-tube heat exchanger with flexible venting up to 150 feet and a limited-lifetime heat-exchanger warranty.
Up to 95% AFUE
Efficiency
155,000 BTU/hr
BTU Output
Up to 15 years
Warranty
TFTN155 specifications
| Model | NTI TFTN155 |
| Series | TFTN (Trinity Fire Tube) |
| Type | heating only |
| BTU Output | 155,000 BTU/hr |
| Efficiency | Up to 95% AFUE |
| Warranty | Up to 15 years |
| Origin | Canada |
| Best for | Mid-size homes |
TFTN (Trinity Fire Tube) features
NTI TFTN155 services we provide
All work by licensed BC gas-fitters — TSBC-certified.
TFTN155 Installation
Permit, sizing, venting, gas, commissioning.
From $6,500
TFTN155 Repair
Error code diagnosis, parts, full repair.
From $189
TFTN155 Maintenance
Annual tune-up — required for warranty.
From $169
TFTN155 Replacement
Upgrade an older unit. Rebate-eligible.
From $6,500
Emergency Service
Same-day no-heat, leak, CO, gas-smell response.
Call 604-359-1081
Warranty Service
Authorized warranty repairs for NTI.
Warranty-covered
NTI TFTN155 — frequently asked questions
How much does NTI TFTN155 installation cost in Vancouver?
NTI TFTN155 installation starts from $6,500 in Greater Vancouver, including permit, code-compliant venting and gas piping, removal of the old unit, and full commissioning. Final pricing depends on your existing system and a heat-loss calculation. Call 604-359-1081 for a free quote.
What size is the NTI TFTN155?
The NTI TFTN155 has a heating output of 155,000 BTU/hr BTU, with Up to 95% AFUE efficiency. It is best suited to mid-size homes.
Do you repair the NTI TFTN155?
Yes. We diagnose and repair the NTI TFTN155 — error codes, ignition faults, no-heat, leaks, low pressure, and sensor issues — from $189. Our technicians are factory-trained on NTI TFTN (Trinity Fire Tube) units and carry common parts on the truck.
How often should the NTI TFTN155 be serviced?
NTI recommends annual maintenance to keep the TFTN155 efficient, safe, and within warranty (up to up to 15 years). Our maintenance service starts from $169.
NTI TFTN155 service across Greater Vancouver
We service the TFTN155 in every major Greater Vancouver city.
Other NTI TFTN (Trinity Fire Tube) Models
Book NTI TFTN155 service today
Same-day repair available · Free installation quotes · Licensed gas-fitters