Canada-wide gas boiler information · On-site service in Greater Vancouver, BC
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Comparison
Verdict in brief
The Crown Bimini BWC070 and Crown Bimini BWC090 are both condensing boilers in the Crown Boiler Co. Bimini (legacy) line. The Crown Bimini BWC070 is documented at 30–70 MBH input and 63 MBH DOE heating capacity, while the Crown Bimini BWC090 is documented at 30–90 MBH input and 80 MBH DOE heating capacity. Crown Bimini BWC090 lists 20 MBH more input than Crown Bimini BWC070 (90 MBH against 70 MBH). Both list the same published shipping weight of 102 lb.
Published manufacturer figures. Input and output are kept separate; blanks mean the manufacturer did not publish that value.
| Specification | Crown Bimini BWC070 | Crown Bimini BWC090 |
|---|---|---|
| Input, minimum | 30 MBH | 30 MBH |
| Input, maximum | 70 MBH | 90 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 | 0.41 gal |
| Approx. net weight | 102 lb | 102 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 | 63 MBH | 80 MBH |
| Net water rating | 55 MBH | 70 MBH |
Published ratings: the Crown Bimini BWC070 is rated 30–70 MBH input and 63 MBH DOE heating capacity; the Crown Bimini BWC090 is rated 30–90 MBH input and 80 MBH DOE heating capacity. Crown Bimini BWC090 lists 20 MBH more input than Crown Bimini BWC070 (90 MBH against 70 MBH).
Both records print the same input (30 MBH), domestic-hot-water arrangement (Heating-only boiler — domestic hot water comes from a separate indirect tank or water heater), boiler water content (0.41 gal) and shipping weight (102 lb), per the cited sources.
Crown Boiler Co.
The Crown Bimini BWC070 is the 70-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 30–70 MBH with 63 MBH DOE heating capacity and a 55 MBH net water rating.
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.
The Crown Bimini BWC090 lists 90 MBH, against 70 MBH on the Crown Bimini BWC070, per the cited documentation.
The Crown Bimini BWC090 lists 80 MBH, against 63 MBH on the Crown Bimini BWC070.
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.