Canada-wide gas boiler information · On-site service in Greater Vancouver, BC
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Comparison
Verdict in brief
NTI Trinity TFT85 and NTI Trinity TFT110 are two condensing boilers from the NTI Boilers Trinity TFT (discontinued) line. Published ratings: NTI Trinity TFT85 at 17–85 MBH input, 78 MBH heating capacity and 95% AFUE; NTI Trinity TFT110 at 21.6–108 MBH input, 99 MBH heating capacity and 95% AFUE. NTI Trinity TFT110 lists 23 MBH more input than NTI Trinity TFT85 (108 MBH against 85 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 TFT85 | NTI Trinity TFT110 |
|---|---|---|
| Input, minimum | 17 MBH | 21.6 MBH |
| Input, maximum | 85 MBH | 108 MBH |
| DOE heating capacity | 78 MBH | 99 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 | 3.2 gal | 3.2 gal |
| Water connections | 1" NPT male | 1" 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 | 68 MBH | 86 MBH |
| Vent / air-inlet diameter | 2 or 3 in | 2 or 3 in |
| Vent / air-inlet length | 2" or 3" runs up to 100 ft each side; on LP the 2" run is limited to 35 ft on the TFT60-85 | 2" or 3" runs up to 100 ft each side; on LP the 2" run is limited to 25 ft on the TFT110 |
| Weight, with water | 110 lb | 110 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 TFT85 is rated 17–85 MBH input, 78 MBH heating capacity and 95% AFUE; the NTI Trinity TFT110 is rated 21.6–108 MBH input, 99 MBH heating capacity and 95% AFUE. NTI Trinity TFT110 lists 23 MBH more input than NTI Trinity TFT85 (108 MBH against 85 MBH). Both list the same published AFUE of 95%.
The vent / air-inlet length differs: the NTI Trinity TFT85 lists 2" or 3" runs up to 100 ft each side; on LP the 2" run is limited to 35 ft on the TFT60-85, while the NTI Trinity TFT110 lists 2" or 3" runs up to 100 ft each side; on LP the 2" run is limited to 25 ft on the TFT110.
Both records print the same AFUE (95%), domestic-hot-water arrangement (Heating-only; pair with an indirect tank or separate water heater), boiler water content (3.2 gal) and water connections (1" NPT male), per the cited sources.
NTI Boilers
The NTI Trinity TFT85 is a discontinued wall-hung fire-tube condensing boiler: 17–85 MBH input with a 78 MBH heating capacity, a 68 MBH Net I=B=R rating and 95% AFUE per the TFT I&O manual (99984535).
NTI Boilers
The NTI Trinity TFT110 is a discontinued wall-hung fire-tube condensing boiler: 21.6–108 MBH input with a 99 MBH heating capacity, a 86 MBH Net I=B=R rating and 95% AFUE per the TFT I&O manual (99984535).
The NTI Trinity TFT110 lists 108 MBH, against 85 MBH on the NTI Trinity TFT85, 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.