Canada-wide gas boiler information · On-site service in Greater Vancouver, BC
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Comparison
Verdict in brief
Both the Crown Raptor RPTR155CB (Combi) and the Crown Raptor RPTR155HB belong to the Crown Boiler Co. Raptor line of condensing boilers. The Crown Raptor RPTR155CB (Combi) is documented at 15.5–155 MBH input, 145 MBH DOE heating capacity and 95% AFUE, while the Crown Raptor RPTR155HB is documented at 15.5–155 MBH input, 145 MBH DOE heating capacity and 95% AFUE. Both list the same published input of 155 MBH. Both list the same published AFUE of 95%. Crown Raptor RPTR155CB (Combi) lists 20 lb more shipping weight than Crown Raptor RPTR155HB (140 lb against 120 lb).
Published manufacturer figures. Input and output are kept separate; blanks mean the manufacturer did not publish that value.
| Specification | Crown Raptor RPTR155CB (Combi) | Crown Raptor RPTR155HB |
|---|---|---|
| Input, minimum | 15.5 MBH | 15.5 MBH |
| Input, maximum | 155 MBH | 155 MBH |
| Efficiency (AFUE) | 95 % | 95 % |
| Domestic hot water | Integrated combi boiler: space heating plus tankless domestic hot water | Heating-only boiler — domestic hot water comes from a separate indirect tank or water heater |
| Water volume | 3 gal | 3 gal |
| Approx. net weight | 140 lb | 120 lb |
| Venting | Direct vent, 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 | 145 MBH | 145 MBH |
| Net AHRI water rating | 126 MBH | 126 MBH |
| Maximum allowable working pressure (MAWP) | 30 psig | 30 psig |
Published ratings: the Crown Raptor RPTR155CB (Combi) is rated 15.5–155 MBH input, 145 MBH DOE heating capacity and 95% AFUE; the Crown Raptor RPTR155HB is rated 15.5–155 MBH input, 145 MBH DOE heating capacity and 95% AFUE. Both list the same published input of 155 MBH. Both list the same published AFUE of 95%.
Crown Raptor RPTR155CB (Combi) lists 20 lb more shipping weight than Crown Raptor RPTR155HB (140 lb against 120 lb). The domestic-hot-water arrangement differs: the Crown Raptor RPTR155CB (Combi) lists Integrated combi boiler: space heating plus tankless domestic hot water, while the Crown Raptor RPTR155HB lists Heating-only boiler — domestic hot water comes from a separate indirect tank or water heater.
Both records print the same input (15.5 MBH), input (155 MBH), AFUE (95%) and boiler water content (3 gal), per the cited sources.
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.
Crown Boiler Co.
The Crown Raptor RPTR155HB fires 15.5 to 155 MBH input at 95% AFUE with 145 MBH DOE heating capacity and a 126 MBH net AHRI rating, on the stainless-steel fire-tube condensing platform.
Yes — both list 155 MBH in the cited documentation.
Both list the same AFUE of 95%.
It ships at 140 lb against 120 lb for the Crown Raptor RPTR155HB, 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.