NTI TFTN (Trinity Fire Tube)
Premium heating-only fire-tube condensing boiler · ~$6,500–$9,100 installed · Up to 96% AFUE · 604-359-1081
We supply & install — we do not sell equipment on its own. Every GasBoilers.ca price includes professional installation by Red Seal–certified BC gas-fitters, permit, and commissioning.
604-359-1081 — exact installed quoteThe 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.
Efficiency
Up to 96% AFUE
Output
85,000 – 399,000 BTU/hr
Warranty
Up to 15 years
Type
Heating-only
Features
- Stainless-steel fire-tube heat exchanger
- Up to 96% AFUE condensing performance
- Wide modulation for tight load matching
- Vent runs up to 150 feet with multiple termination options
- 2-inch venting on select models
- Top or bottom plumbing and gas connections
- Wall-hung installation
- Limited-lifetime heat exchanger / 5-year parts warranty
Best For
- Whole-home and light-commercial heating
- Retrofits with long or complex vent runs
- Multi-zone hydronic systems
TFTN (Trinity Fire Tube) Models
NTI TFTN085
85,000 BTU/hr BTU · Up to 96% AFUE · Smaller homes
NTI TFTN155
155,000 BTU/hr BTU · Up to 95% AFUE · Mid-size homes
NTI TFTN199
199,000 BTU/hr BTU · Up to 95% AFUE · Larger homes
NTI TFTN399
399,000 BTU/hr BTU · Up to 95% AFUE · Light-commercial loads
What the Installed Price Includes
Approximate installed price — every home is different. Final cost depends on your existing system, venting, gas line, and a heat-loss calculation. Call 604-359-1081 for an exact quote.
More on the NTI TFTN (Trinity Fire Tube)
Get an exact NTI TFTN (Trinity Fire Tube) quote
604-359-1081 · We supply & install — approximate prices shown, call for your exact number.