Canada-wide gas boiler information · On-site service in Greater Vancouver, BC
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Comparison
Verdict in brief
The Utica PEG150FID and Utica PEG187FID are both non-condensing boilers in the Utica Boilers PEG-F (Gas Steam) line. The Utica PEG150FID is documented at 150/140 MBH input, 122/114 MBH heating capacity and 82% AFUE, while the Utica PEG187FID is documented at 187/175 MBH input, 153/143 MBH heating capacity and 82% AFUE. The published input differs: Utica PEG150FID lists 150/140 MBH, while Utica PEG187FID lists 187/175 MBH. Both list the same published AFUE of 82%.
Published manufacturer figures. Input and output are kept separate; blanks mean the manufacturer did not publish that value.
| Specification | Utica PEG150FID | Utica PEG187FID |
|---|---|---|
| Input | 150/140 MBH | 187/175 MBH |
| Heating capacity | 122/114 MBH | 153/143 MBH |
| AFUE | 82 % | 82 % |
| Dimensions (W x H x D) | 17¾ × 36⅜ × 26½ | 21 × 36⅜ × 26½ |
| Venting | Atmospheric chimney vent — front-mounted integral draft hood with vent damper | Atmospheric chimney vent — front-mounted integral draft hood with vent damper |
| Steam controls | Electronic low water cut-off with ¾" probe, pressure limit control, steam pressure gauge and glass water level gauge; factory-tapped ½" NPT location for a secondary manual-reset LWCO | Electronic low water cut-off with ¾" probe, pressure limit control, steam pressure gauge and glass water level gauge; factory-tapped ½" NPT location for a secondary manual-reset LWCO |
| Net AHRI steam rating | 92/86 MBH | 115/107 MBH |
| Steam radiation | 383/358 sq ft | 479/446 sq ft |
| Cast-iron sections | 5 | 6 |
| Vent pipe size | 6" | 7" |
| Piping risers | (2) 2" | (2) 2" |
| Shipping weight | 440 lb | 512 lb |
| Connections | 2½" NPT return and supply with two supply and two return tappings on both sides; gas ½" NPT; 120 V AC, <12 A | 2½" NPT return and supply with two supply and two return tappings on both sides; gas ¾" NPT; 120 V AC, <12 A |
| Burners | Titanium burners | Titanium burners |
| Heat exchanger | Cast iron with cast-iron push nipples | Cast iron with cast-iron push nipples |
| Warranty | 12-year non-prorated limited residential warranty plus 5-year parts | 12-year non-prorated limited residential warranty plus 5-year parts |
Published ratings: the Utica PEG150FID is rated 150/140 MBH input, 122/114 MBH heating capacity and 82% AFUE; the Utica PEG187FID is rated 187/175 MBH input, 153/143 MBH heating capacity and 82% AFUE. The published input differs: Utica PEG150FID lists 150/140 MBH, while Utica PEG187FID lists 187/175 MBH. Both list the same published AFUE of 82%.
The dimensions differs: the Utica PEG150FID lists 17¾ × 36⅜ × 26½, while the Utica PEG187FID lists 21 × 36⅜ × 26½. The cast-iron sections differs: the Utica PEG150FID lists 5, while the Utica PEG187FID lists 6. The vent pipe size differs: the Utica PEG150FID lists 6", while the Utica PEG187FID lists 7".
Both records print the same AFUE (82%), venting (Atmospheric chimney vent — front-mounted integral draft hood with vent damper), control (Electronic low water cut-off with ¾" probe, pressure limit control, steam pressure gauge and glass water level gauge; factory-tapped ½" NPT location for a secondary manual-reset LWCO) and piping risers ((2) 2"), per the cited sources.
Utica Boilers
The Utica PEG150FID is a gas-fired cast-iron steam boiler: 150/140 MBH input (NG/LP), 122/114 MBH heating capacity, 92/86 MBH net steam and 383/358 sq ft at 82% AFUE, with 5 sections, a 6" vent and (2) 2" piping risers. It is tagged 'Current' on Utica's Gas Boilers category page.
Utica Boilers
The Utica PEG187FID is a gas-fired cast-iron steam boiler: 187/175 MBH input (NG/LP), 153/143 MBH heating capacity, 115/107 MBH net steam and 479/446 sq ft at 82% AFUE, with 6 sections, a 7" vent and (2) 2" piping risers. It is tagged 'Current' on Utica's Gas Boilers category page.
The Utica PEG150FID lists 150/140 MBH, while the Utica PEG187FID lists 187/175 MBH, per the cited documentation.
Both list the same AFUE of 82%.
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.