Canada-wide gas boiler information · On-site service in Greater Vancouver, BC
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Comparison
Verdict in brief
The Crown Raptor RPTR110HB and Crown Raptor RPTR155CB (Combi) are both condensing boilers in the Crown Boiler Co. Raptor line. The Crown Raptor RPTR110HB is documented at 11–110 MBH input, 103 MBH DOE heating capacity and 96% AFUE, while the Crown Raptor RPTR155CB (Combi) is documented at 15.5–155 MBH input, 145 MBH DOE heating capacity and 95% AFUE. Crown Raptor RPTR155CB (Combi) lists 45 MBH more input than Crown Raptor RPTR110HB (155 MBH against 110 MBH). Crown Raptor RPTR110HB lists 1 percentage points more AFUE than Crown Raptor RPTR155CB (Combi) (96% against 95%). Crown Raptor RPTR155CB (Combi) lists 25 lb more shipping weight than Crown Raptor RPTR110HB (140 lb against 115 lb).
Published manufacturer figures. Input and output are kept separate; blanks mean the manufacturer did not publish that value.
| Specification | Crown Raptor RPTR110HB | Crown Raptor RPTR155CB (Combi) |
|---|---|---|
| Input, minimum | 11 MBH | 15.5 MBH |
| Input, maximum | 110 MBH | 155 MBH |
| Efficiency (AFUE) | 96 % | 95 % |
| Domestic hot water | Heating-only boiler — domestic hot water comes from a separate indirect tank or water heater | Integrated combi boiler: space heating plus tankless domestic hot water |
| Water volume | 2.5 gal | 3 gal |
| Approx. net weight | 115 lb | 140 lb |
| Venting | Direct vent, 2" or 3" | Direct vent, 3" |
| Water connection | 1" copper sweat | 1" copper sweat |
| Gas connection | 1/2" NPT | 1/2" NPT |
| Control | Sola control system with LCD touch screen display | Sola control system with LCD touch screen display |
| Fuel | Natural gas or LP gas | Natural gas or LP gas |
| DOE heating capacity | 103 MBH | 145 MBH |
| Net AHRI water rating | 90 MBH | 126 MBH |
| Maximum allowable working pressure (MAWP) | 30 psig | 30 psig |
Published ratings: the Crown Raptor RPTR110HB is rated 11–110 MBH input, 103 MBH DOE heating capacity and 96% AFUE; the Crown Raptor RPTR155CB (Combi) is rated 15.5–155 MBH input, 145 MBH DOE heating capacity and 95% AFUE. Crown Raptor RPTR155CB (Combi) lists 45 MBH more input than Crown Raptor RPTR110HB (155 MBH against 110 MBH). Crown Raptor RPTR110HB lists 1 percentage points more AFUE than Crown Raptor RPTR155CB (Combi) (96% against 95%).
Crown Raptor RPTR155CB (Combi) lists 25 lb more shipping weight than Crown Raptor RPTR110HB (140 lb against 115 lb). The domestic-hot-water arrangement differs: the Crown Raptor RPTR110HB lists Heating-only boiler — domestic hot water comes from a separate indirect tank or water heater, while the Crown Raptor RPTR155CB (Combi) lists Integrated combi boiler: space heating plus tankless domestic hot water. The boiler water content differs: the Crown Raptor RPTR110HB lists 2.5 gal, while the Crown Raptor RPTR155CB (Combi) lists 3 gal. The venting differs: the Crown Raptor RPTR110HB lists Direct vent, 2" or 3", while the Crown Raptor RPTR155CB (Combi) lists Direct vent, 3".
Both records print the same water connections (1" copper sweat), gas connection (1/2" NPT), control (Sola control system with LCD touch screen display) and fuel (Natural gas or LP gas), per the cited sources.
Crown Boiler Co.
The Crown Raptor RPTR110HB fires 11 to 110 MBH input at 96% AFUE with 103 MBH DOE heating capacity and a 90 MBH net AHRI rating, on the stainless-steel fire-tube condensing platform.
Crown Boiler Co.
The Crown Raptor RPTR155CB Combi fires 15.5 to 155 MBH input at 95% AFUE with 145 MBH DOE heating capacity and a 126 MBH net AHRI rating, adding tankless domestic hot water through a thermostatic mixing valve and brazed plate heat exchanger, on the stainless-steel fire-tube condensing platform.
The Crown Raptor RPTR155CB (Combi) lists 155 MBH, against 110 MBH on the Crown Raptor RPTR110HB, per the cited documentation.
The Crown Raptor RPTR110HB carries the higher published AFUE at 96%, against 95%.
It ships at 140 lb against 115 lb for the Crown Raptor RPTR110HB, 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.