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Comparison
Verdict in brief
The HTP UFTC-140W and HTP UFTC-199F are both combination (combi) boilers in the HTP UFT Combi (discontinued) line. Published ratings: HTP UFTC-140W at 14–140 MBH input and 96% AFUE; HTP UFTC-199F at 19.9–140 MBH input and 95% AFUE. Both list the same published input of 140 MBH. HTP UFTC-140W lists 1 percentage points more AFUE than HTP UFTC-199F (96% against 95%). HTP UFTC-199F lists 40 lb more shipping weight than HTP UFTC-140W (150 lb against 110 lb).
Published manufacturer figures. Input and output are kept separate; blanks mean the manufacturer did not publish that value.
| Specification | HTP UFTC-140W | HTP UFTC-199F |
|---|---|---|
| Central-heating input, minimum | 14 MBH | 19.9 MBH |
| Central-heating input, maximum | 140 MBH | 140 MBH |
| AFUE | 96 % | 95 % |
| Turndown | 10:1 | 10:1 |
| DHW input, minimum | 14 MBH | 19.9 MBH |
| DHW input, maximum | 140 MBH | 199 MBH |
| Water capacity | 1 gal storage tank + 4 gal heat exchanger (5 gal total) | 1.5 gal storage tank + 3.5 gal heat exchanger (5 gal total) |
| Weight, wall model | 110 lb | 150 lb |
| Dimensions (W x H x D) | 17.5" W x 34" H x 15.4" D | 22" W x 48" H x 18" D |
| Venting | 2" (50 ft) or 3" (100 ft), combined equivalent feet | 2" (50 ft) or 3" (100 ft), combined equivalent feet |
| DHW flow rate at 35 °F rise | 7.1 gpm | 9.9 gpm |
| DHW flow rate at 45 °F rise | 5.5 gpm | 7.7 gpm |
| DHW flow rate at 77 °F rise | 3.2 gpm | 4.8 gpm |
| Connections | CH supply/return 1" NPT; DHW inlet/outlet 3/4" NPT; gas 3/4" NPT | CH supply/return 1" NPT; DHW inlet/outlet 3/4" NPT; gas 3/4" NPT |
| Water pressure | CH minimum 12 / maximum 30 psi; DHW maximum 150 psi | CH minimum 12 / maximum 30 psi; DHW maximum 150 psi |
| Control | NGTX-900C / P-920C_CB-HTP | NGTX-900C / P-920C_CB-HTP |
| Heat exchanger and tank | 316L stainless steel, ASME 'H' stamped, with internal 316L stainless steel indirect storage tank | 316L stainless steel, ASME 'H' stamped, with internal 316L stainless steel indirect storage tank |
| Warranty | 10-year limited warranty | 10-year limited warranty |
Published ratings: the HTP UFTC-140W is rated 14–140 MBH input and 96% AFUE; the HTP UFTC-199F is rated 19.9–140 MBH input and 95% AFUE. Both list the same published input of 140 MBH. HTP UFTC-140W lists 1 percentage points more AFUE than HTP UFTC-199F (96% against 95%).
HTP UFTC-199F lists 40 lb more shipping weight than HTP UFTC-140W (150 lb against 110 lb). The domestic-hot-water input differs: the HTP UFTC-140W lists 14 MBH, while the HTP UFTC-199F lists 19.9 MBH. The domestic-hot-water input differs: the HTP UFTC-140W lists 140 MBH, while the HTP UFTC-199F lists 199 MBH. The boiler water content differs: the HTP UFTC-140W lists 1 gal storage tank + 4 gal heat exchanger (5 gal total), while the HTP UFTC-199F lists 1.5 gal storage tank + 3.5 gal heat exchanger (5 gal total).
Both records print the same input (140 MBH), turndown (10:1), venting (2" (50 ft) or 3" (100 ft), combined equivalent feet) and connections (CH supply/return 1" NPT; DHW inlet/outlet 3/4" NPT; gas 3/4" NPT), per the cited sources.
The HTP UFTC-140W is the wall-mount 140 MBH class combi of the retired UFT Combi line: 14,000 to 140,000 BTU/hr CH input, 14,000 to 140,000 BTU/hr DHW input and 96% AFUE, recorded from the official LP-648 technical table.
The HTP UFTC-199F is the floor-mount 199 MBH class combi of the retired UFT Combi line: 19,900 to 140,000 BTU/hr CH input, 19,900 to 199,000 BTU/hr DHW input and 95% AFUE, recorded from the official LP-648 technical table.
Yes — both list 140 MBH in the cited documentation.
The HTP UFTC-140W carries the higher published AFUE at 96%, against 95%.
It ships at 150 lb against 110 lb for the HTP UFTC-140W, per the cited sources.
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.