NTI Trinity FTG1400
The NTI Trinity FTG1400 lifts the FTG page's entry class to a 1,400 MBH ceiling: 140 to 1400 MBH input at 96% thermal efficiency, with a 1,344 MBH heating capacity and a 1,169 MBH Net AHRI rating.
Key figures
- Max input
- 1,400 MBH
- Max CSA output
- —
- AFUE
- —
- Min input
- 140 MBH
Input is gas energy consumed; output is heat delivered. Never size from input alone.
NTI Trinity FTG1400 in practice
NTI lists the FTG1400 at 140 to 1400 MBH input with 96% thermal efficiency, a heating capacity of 1,344 MBH and a Net AHRI rating of 1,169 MBH. It shares the FTG1200's physical profile on the page — 1,210 lb, 3 in grooved water connections, a 1 1/4 in NPT female gas connection, and 8 in air inlet and flue runs up to 150 ft.
The step from the 1200 to the 1400 adds 200 MBH of input ceiling and about 190 MBH of heating capacity while the thermal-efficiency rating eases one tenth of a point to 96%. The FTG Installation and Operation Manual (99985422) covers this size, lists the class at 1,500 lb with water against the page's unqualified 1,210 lb, and calls for a 10% Canada altitude derate between 2,000 and 4,500 ft.
Best suited to
- Commercial hydronic plants whose demand calculation approaches 1,400 MBH
- Buildings wanting more fire-tube ceiling than the FTG1200 within the same connection and venting plan
- Plants where the FTG's single blower, gas valve and burner package fits the load profile
Applicability and support
- Model number
- FTG1400
- Canadian availability
- available
- Production status
- current
- ROMA supplies
- Confirmed at consultation
- ROMA services
- Confirmed at consultation
- Warranty
- Series terms
Where ROMA provides on-site service
On-site service is currently offered in Greater Vancouver, BC, including Vancouver, Burnaby, Richmond, Surrey, Coquitlam, North Vancouver, West Vancouver, New Westminster, Port Coquitlam, Port Moody, Delta, Langley, Maple Ridge, Abbotsford, Chilliwack, White Rock, Pitt Meadows, Tsawwassen, Anmore, Lions Bay, Belcarra, Bowen Island, Mission. Everything else on this site is reference information you can use anywhere in Canada.
Specifications
Published specifications
Values as published by NTI Boilers. Units are shown with every value; notes flag conflicting sources or missing figures.
| Specification | Value | Note |
|---|---|---|
| Input | ||
| Input, minimum | 140 MBH | Per the NTI product page. |
| Input, maximum | 1,400 MBH | Per the NTI product page. |
| Output | ||
| Heating capacity | 1,344 MBH | Per the NTI product page. |
| Net AHRI rating | 1,169 MBH | Per the NTI product page. |
| Efficiency | ||
| Thermal efficiency | 96 % | Per the NTI product page. |
| Domestic hot water | ||
| Domestic hot water | Heating-only; pair with an indirect tank or separate water heater | |
| Venting and air | ||
| Air inlet size | 8 in | Diameter per the NTI product page; air-inlet runs up to 150 ft. |
| Flue size | 8 in | Diameter per the NTI product page; flue runs up to 150 ft. |
| Physical and connections | ||
| Weight | 1,210 lb | Per the NTI product page; the page row is not qualified as with water. |
| Weight, with water | 1,500 lb | Per the FTG I&O manual's with-water figure for this size class; the product page prints 1,210 lb. |
| Water connections (inlet / outlet) | 3" grooved joint | Inlet and outlet per the NTI product page. |
| Gas connection | 1 1/4" NPT female | Per the NTI product page. |
| Operating limits and other | ||
| Canada altitude derate | 10% derate at 2,000–4,500 ft | Per the FTG Installation and Operation Manual. |
| Fuel | Natural gas | Input ratings per the NTI product page. |
Manuals
- FTG Installation and Operation Manual, 99985422, V.2024-06-2899985422 · 2024-06-28
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Frequently asked questions
How does the FTG1400 differ from the FTG1200?
Input rises from 120–1200 to 140–1400 MBH, heating capacity from 1,153 to 1,344 MBH and the Net AHRI rating from 1,003 to 1,169 MBH; thermal efficiency eases from 96.1% to 96%. Weight, connections and venting are unchanged.
What gas connection does the FTG1400 use?
A 1 1/4 in NPT female gas connection and 3 in grooved water connections on inlet and outlet, per the NTI product page.
Does the FTG1400 need altitude derating in Canada?
The FTG I&O manual calls for a 10% input derate at Canadian altitudes from 2,000 to 4,500 ft, which is part of the sizing review for mountain-region installations.
Questions about the NTI Trinity FTG1400?
Describe what the boiler is doing and get a straight answer about the next step.
On-site service in Greater Vancouver, BC. ROMA lists “Open 7 days” on its site; call to confirm same-day availability.
Compare and explore
Sources and verification
- NTI — FTG Series product page · accessed September 8, 2026
- FTG Installation and Operation Manual · 99985422 · accessed September 8, 2026
Facts checked September 8, 2026. Last updated September 8, 2026. Technical reviewer: not yet assigned.