Canada-wide gas boiler information · On-site service in Greater Vancouver, BC
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Comparison
Verdict in brief
Utica UBSSC-100 and Utica UBSSC-150 are two condensing boilers from the Utica Boilers SSC (UBSSC-050 to UBSSC-299) line. The Utica UBSSC-100 is rated 95% AFUE, and the Utica UBSSC-150 is rated 95% AFUE. 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 | Utica UBSSC-100 | Utica UBSSC-150 |
|---|---|---|
| AFUE | 95 % | 95 % |
| Turndown | 5:1 | 5:1 |
| Venting | Direct vent, sealed combustion; PVC, CPVC and polypropylene | Direct vent, sealed combustion; PVC, CPVC and polypropylene |
| Maximum allowable working pressure | 150 psi | 150 psi |
| Heat exchanger | High-grade 316L/444 stainless steel fin coil with flame sight glass | High-grade 316L/444 stainless steel fin coil with flame sight glass |
| Mounting | Wall mounted — bracket included | Wall mounted — bracket included |
| Built-in features | Primary/secondary manifold piping and pump; probe-type LWCO with test feature | Primary/secondary manifold piping and pump; probe-type LWCO with test feature |
Published ratings: the Utica UBSSC-100 is rated 95% AFUE; the Utica UBSSC-150 is rated 95% AFUE. Both list the same published AFUE of 95%.
Both records print the same AFUE (95%), turndown (5:1), venting (Direct vent, sealed combustion; PVC, CPVC and polypropylene) and maximum allowable working pressure (150 psi), per the cited sources.
Utica Boilers
The Utica UBSSC-100 is a size in the SSC wall-hung condensing boiler line: 95.0% AFUE, 5:1 turndown, the patented 316L/444 stainless steel fin-coil heat exchanger and a built-in primary/secondary manifold with pump, documented with current documents on the official page.
Utica Boilers
The Utica UBSSC-150 is a size in the SSC wall-hung condensing boiler line: 95.0% AFUE, 5:1 turndown, the patented 316L/444 stainless steel fin-coil heat exchanger and a built-in primary/secondary manifold with pump, documented with current documents on the official page.
Both list the same AFUE of 95%.
Both list the same AFUE, turndown, venting and maximum allowable working pressure, 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.