Canada-wide gas boiler information · On-site service in Greater Vancouver, BC
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Comparison
Verdict in brief
Crown Raptor RPTR155HB and Crown Raptor RPTR205HB are two condensing boilers from the Crown Boiler Co. Raptor line. The Crown Raptor RPTR155HB is rated 15.5–155 MBH input, 145 MBH DOE heating capacity and 95% AFUE, and the Crown Raptor RPTR205HB is rated 20.5–205 MBH input, 189 MBH DOE heating capacity and 95% AFUE. Crown Raptor RPTR205HB lists 50 MBH more input than Crown Raptor RPTR155HB (205 MBH against 155 MBH). Both list the same published AFUE of 95%. Crown Raptor RPTR205HB lists 15 lb more shipping weight than Crown Raptor RPTR155HB (135 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 RPTR155HB | Crown Raptor RPTR205HB |
|---|---|---|
| Input, minimum | 15.5 MBH | 20.5 MBH |
| Input, maximum | 155 MBH | 205 MBH |
| Efficiency (AFUE) | 95 % | 95 % |
| Domestic hot water | Heating-only boiler — domestic hot water comes from a separate indirect tank or water heater | Heating-only boiler — domestic hot water comes from a separate indirect tank or water heater |
| Water volume | 3 gal | 5.1 gal |
| Approx. net weight | 120 lb | 135 lb |
| Dimensions (H × W × D) | 33-5/16" × 19-13/16" × 20" | 33-5/16" × 19-13/16" × 21" |
| Venting | Direct vent, 3" | Direct vent, 3" |
| Water connection | 1" copper sweat | 1-1/4" 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 | 189 MBH |
| Net AHRI water rating | 126 MBH | 164 MBH |
| Maximum allowable working pressure (MAWP) | 30 psig | 80 psig |
Published ratings: the Crown Raptor RPTR155HB is rated 15.5–155 MBH input, 145 MBH DOE heating capacity and 95% AFUE; the Crown Raptor RPTR205HB is rated 20.5–205 MBH input, 189 MBH DOE heating capacity and 95% AFUE. Crown Raptor RPTR205HB lists 50 MBH more input than Crown Raptor RPTR155HB (205 MBH against 155 MBH). Both list the same published AFUE of 95%.
Crown Raptor RPTR205HB lists 15 lb more shipping weight than Crown Raptor RPTR155HB (135 lb against 120 lb). The boiler water content differs: the Crown Raptor RPTR155HB lists 3 gal, while the Crown Raptor RPTR205HB lists 5.1 gal. The dimensions differs: the Crown Raptor RPTR155HB lists 33-5/16" × 19-13/16" × 20", while the Crown Raptor RPTR205HB lists 33-5/16" × 19-13/16" × 21". The water connections differs: the Crown Raptor RPTR155HB lists 1" copper sweat, while the Crown Raptor RPTR205HB lists 1-1/4" copper sweat.
Both records print the same AFUE (95%), domestic-hot-water arrangement (Heating-only boiler — domestic hot water comes from a separate indirect tank or water heater), venting (Direct vent, 3") and gas connection (1/2" NPT), per the cited sources.
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.
Crown Boiler Co.
The Crown Raptor RPTR205HB fires 20.5 to 205 MBH input at 95% AFUE with 189 MBH DOE heating capacity and a 164 MBH net AHRI rating, on the stainless-steel fire-tube condensing platform.
The Crown Raptor RPTR205HB lists 205 MBH, against 155 MBH on the Crown Raptor RPTR155HB, per the cited documentation.
Both list the same AFUE of 95%.
It ships at 135 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.