Canada-wide gas boiler information · On-site service in Greater Vancouver, BC
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Comparison
Verdict in brief
Crown Bimini BWC090 and Crown Bimini BWC120 are two condensing boilers from the Crown Boiler Co. Bimini (legacy) line. The Crown Bimini BWC090 is documented at 30–90 MBH input and 80 MBH DOE heating capacity, while the Crown Bimini BWC120 is documented at 40–120 MBH input and 107 MBH DOE heating capacity. Crown Bimini BWC120 lists 30 MBH more input than Crown Bimini BWC090 (120 MBH against 90 MBH). Crown Bimini BWC120 lists 8 lb more shipping weight than Crown Bimini BWC090 (110 lb against 102 lb).
Published manufacturer figures. Input and output are kept separate; blanks mean the manufacturer did not publish that value.
| Specification | Crown Bimini BWC090 | Crown Bimini BWC120 |
|---|---|---|
| Input, minimum | 30 MBH | 40 MBH |
| Input, maximum | 90 MBH | 120 MBH |
| 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 | 0.41 gal | 0.62 gal |
| Approx. net weight | 102 lb | 110 lb |
| Venting | Direct vent — concentric or approved stainless systems | Direct vent — concentric or approved stainless systems |
| Supply and return connections | 1" NPT | 1" NPT |
| Gas connection | 1/2" NPT | 1/2" NPT |
| Control | Honeywell Sola control | Honeywell Sola control |
| Fuel | Natural gas or propane | Natural gas or propane |
| DOE heating capacity | 80 MBH | 107 MBH |
| Net water rating | 70 MBH | 93 MBH |
Published ratings: the Crown Bimini BWC090 is rated 30–90 MBH input and 80 MBH DOE heating capacity; the Crown Bimini BWC120 is rated 40–120 MBH input and 107 MBH DOE heating capacity. Crown Bimini BWC120 lists 30 MBH more input than Crown Bimini BWC090 (120 MBH against 90 MBH).
Crown Bimini BWC120 lists 8 lb more shipping weight than Crown Bimini BWC090 (110 lb against 102 lb). The boiler water content differs: the Crown Bimini BWC090 lists 0.41 gal, while the Crown Bimini BWC120 lists 0.62 gal.
Both records print the same domestic-hot-water arrangement (Heating-only boiler — domestic hot water comes from a separate indirect tank or water heater), venting (Direct vent — concentric or approved stainless systems), water connections (1" NPT) and gas connection (1/2" NPT), per the cited sources.
Crown Boiler Co.
The Crown Bimini BWC090 is the 90-MBH-class model of the Sola-control BWC generation (suffix EN for natural gas, EL for propane): an aluminum, wall-hung, direct-vent condensing boiler firing 30–90 MBH with 80 MBH DOE heating capacity and a 70 MBH net water rating.
Crown Boiler Co.
The Crown Bimini BWC120 is the 120-MBH-class model of the Sola-control BWC generation (suffix EN for natural gas, EL for propane): an aluminum, wall-hung, direct-vent condensing boiler firing 40–120 MBH with 107 MBH DOE heating capacity and a 93 MBH net water rating.
The Crown Bimini BWC120 lists 120 MBH, against 90 MBH on the Crown Bimini BWC090, per the cited documentation.
The Crown Bimini BWC120 lists 107 MBH, against 80 MBH on the Crown Bimini BWC090.
It ships at 110 lb against 102 lb for the Crown Bimini BWC090, 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.