Canada-wide gas boiler information · On-site service in Greater Vancouver, BC
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Comparison
Verdict in brief
The NTI Trinity TFT154 and NTI Trinity TFT201 are both condensing boilers in the NTI Boilers Trinity TFT (discontinued) line. The NTI Trinity TFT154 is documented at 15.4–154 MBH input, 141 MBH heating capacity and 95% AFUE, while the NTI Trinity TFT201 is documented at 20–200 MBH input, 185 MBH heating capacity and 95% AFUE. NTI Trinity TFT201 lists 46 MBH more input than NTI Trinity TFT154 (200 MBH against 154 MBH). Both list the same published AFUE of 95%.
Published manufacturer figures. Input and output are kept separate; blanks mean the manufacturer did not publish that value.
| Specification | NTI Trinity TFT154 | NTI Trinity TFT201 |
|---|---|---|
| Input, minimum | 15.4 MBH | 20 MBH |
| Input, maximum | 154 MBH | 200 MBH |
| DOE heating capacity | 141 MBH | 185 MBH |
| Efficiency (AFUE) | 95 % | 95 % |
| Domestic hot water | Heating-only; pair with an indirect tank or separate water heater | Heating-only; pair with an indirect tank or separate water heater |
| Boiler water content | 3.9 gal | 4.9 gal |
| Water connections | 1" NPT male | 1-1/4" NPT male |
| Gas connection | 1/2" NPT male | 1/2" NPT male |
| Fuel | Natural gas or propane | Natural gas or propane |
| Net I=B=R rating | 122 MBH | 160 MBH |
| Vent / air-inlet diameter | 3 in | 3 in |
| Vent / air-inlet length | 3" runs up to 150 ft each side | 3" runs up to 150 ft each side |
| Weight, with water | 160 lb | 180 lb |
| Canada altitude derate | 10% derate at 2,000–4,500 ft | 10% derate at 2,000–4,500 ft |
Published ratings: the NTI Trinity TFT154 is rated 15.4–154 MBH input, 141 MBH heating capacity and 95% AFUE; the NTI Trinity TFT201 is rated 20–200 MBH input, 185 MBH heating capacity and 95% AFUE. NTI Trinity TFT201 lists 46 MBH more input than NTI Trinity TFT154 (200 MBH against 154 MBH). Both list the same published AFUE of 95%.
The boiler water content differs: the NTI Trinity TFT154 lists 3.9 gal, while the NTI Trinity TFT201 lists 4.9 gal. The water connections differs: the NTI Trinity TFT154 lists 1" NPT male, while the NTI Trinity TFT201 lists 1-1/4" NPT male. The weight, with water differs: the NTI Trinity TFT154 lists 160 lb, while the NTI Trinity TFT201 lists 180 lb.
Both records print the same AFUE (95%), domestic-hot-water arrangement (Heating-only; pair with an indirect tank or separate water heater), gas connection (1/2" NPT male) and fuel (Natural gas or propane), per the cited sources.
NTI Boilers
The NTI Trinity TFT154 is a discontinued wall-hung fire-tube condensing boiler: 15.4–154 MBH input with a 141 MBH heating capacity, a 122 MBH Net I=B=R rating and 95% AFUE per the TFT I&O manual (99984535).
NTI Boilers
The NTI Trinity TFT201 is a discontinued wall-hung fire-tube condensing boiler: 20–200 MBH input with a 185 MBH heating capacity, a 160 MBH Net I=B=R rating and 95% AFUE per the TFT I&O manual (99984535).
The NTI Trinity TFT201 lists 200 MBH, against 154 MBH on the NTI Trinity TFT154, per the cited documentation.
Both list the same AFUE of 95%.
A consultation includes a heat-loss review so the size is right the first time.
On-site service in Greater Vancouver, BC. ROMA lists “Open 7 days” on its site; call to confirm same-day availability.
Sources and verification
Facts checked September 9, 2026. Last updated September 9, 2026. Technical reviewer: not yet assigned.