Viessmann · Vitodens 200-W (B2HA, 285–530 MBH)
Viessmann Vitodens 200-W B2HA-285
The Vitodens 200-W B2HA-285 is the entry size of Viessmann Canada's high-input B2HA line for large homes: 71,000 to 285,000 BTU (21 to 83 kW) of input in a 194 lb wall-hung condensing boiler, with a printed 92% AFUE spec row.
Key figures
- Max input
- 285 MBH
- Max CSA output
- —
- AFUE
- 92 %
- Min input
- 71 MBH
Input is gas energy consumed; output is heat delivered. Never size from input alone.
Viessmann Vitodens 200-W B2HA-285 in practice
The B2HA-285 is the smallest model of the Vitodens 200-W B2HA line that Viessmann Canada positions for expanded capacity in large homes. It fires from a 71,000 BTU (21 kW) minimum input up to 285,000 BTU (83 kW) maximum, and the page's spec table prints a 92% AFUE row for it — while marketing copy on the same page separately cites an 'up to 95% AFUE rating' for the product line.
The boiler is gas-fired and wall-mounted with a stainless steel MatriX cylinder burner and Inox-Radial heat exchanger. It weighs 194 lb (88 kg) and measures 19 x 21 x 43½ inches (480 x 530 x 1105 mm), and it runs on natural gas or liquid propane with no fuel-conversion kit required, per the page.
Note that the page's technical table prints legacy B2HB-68 to B2HB-199 rows beside the current B2HA rows; the specifications here are the B2HA-285 figures only. Viessmann markets common venting of up to four boilers for the line, with vent runs up to 180 ft.
Best suited to
- Large homes whose heat-loss calculation fits up to about 285 MBH
- Wall-hung installs wanting the 200-W burner and heat-exchanger technology at higher input
- Comparing against the B2HA-311 before final sizing
Applicability and support
- Model number
- B2HA-285
- Canadian availability
- available
- Production status
- current
- ROMA supplies
- Confirmed at consultation
- ROMA services
- Confirmed at consultation
- Warranty
- Series terms
Where ROMA provides on-site service
On-site service is currently offered in Greater Vancouver, BC, including Vancouver, Burnaby, Richmond, Surrey, Coquitlam, North Vancouver, West Vancouver, New Westminster, Port Coquitlam, Port Moody, Delta, Langley, Maple Ridge, Abbotsford, Chilliwack, White Rock, Pitt Meadows, Tsawwassen, Anmore, Lions Bay, Belcarra, Bowen Island, Mission. Everything else on this site is reference information you can use anywhere in Canada.
Specifications
Published specifications
Values as published by Viessmann. Units are shown with every value; notes flag conflicting sources or missing figures.
| Specification | Value | Note |
|---|---|---|
| Input | ||
| Input, minimum (natural gas) | 71 MBH | 71,000 BTU (21 kW), per the Canadian product page |
| Input, maximum (natural gas) | 285 MBH | 285,000 BTU (83 kW), per the Canadian product page |
| Efficiency | ||
| Efficiency (AFUE) | 92 % | 92% AFUE for the B2HA-285 spec row on the Canadian product page; the page's marketing copy separately cites an 'up to 95% AFUE rating'. |
| Venting and air | ||
| Maximum vent run | 180 ft | Vent length up to 180 ft per the Canadian product page; common venting of up to four boilers is a series-level option. |
| Physical and connections | ||
| Weight | 194 lb | 88 kg |
| Width | 19 in | 480 mm |
| Depth | 21 in | 530 mm |
| Height | 43.5 in | 1105 mm |
| Operating limits and other | ||
| Fuel type | Natural gas (NG) or liquid propane gas (LPG) | No fuel-conversion kit required per the Canadian product page. |
Manuals
Alerts documented for this model
- 0F
- 10
- 18
- 1A
- 1B
- 1F
- 20
- 28
- 30 140
- 38 140
- 40
- 44
- 48
- 4C
- 50
- 51
- 58
- 59
- 90
- 91
- 92
- 93
- 94
- 98
- 99
- 9A
- 9B
- 9C
- 9E
- 9F
- A3
- A4
- A7
- B0 141
- B1
- B5
- B7
- B8 141
- BA
- BB
- BC
- BD
- BE
- BF
- C1
- C2
- C3
- C4
- C5
- CD
- CF
- D6
- D7
- D8
- DA
- DB
- DC
- DD
- DE
- DF
- E0
- E1 202
- E2 201
- E3 204
- E4
- E5 226
- E7 192
- E8 189
- EA 193
- EB 194
- EC 67 or 195
- ED 191
- EE 132
- EF 138
- F0
- F1 135
- F2 129
- F3 139
- F6
- F8 148
- F9 151 or 152
- FA 154
- FC 190
- FD 227
- FD -
- FE 158, 159, 162 or 225
- FF 224
- N/A 2
- N/A 3
- N/A 5
- N/A 6
- N/A 8
- N/A 29
- N/A 33
Frequently asked questions
What is the firing range of the B2HA-285?
From a 71,000 BTU (21 kW) minimum input up to 285,000 BTU (83 kW) maximum on natural gas, per the Canadian product page. The same minimum applies to the B2HA-311 and B2HA-352.
What efficiency does Viessmann publish for the B2HA-285?
The page's spec table prints 92% AFUE for the B2HA-285, while its marketing copy cites an 'up to 95% AFUE rating' for the product line. Boilers.ca keeps the printed spec-row figure.
Is the B2HA-285 a combi boiler?
No combi configuration is listed on the Canadian page; the B2HA is documented as a space-heating boiler, so domestic hot water is handled separately, typically with an indirect tank.
Questions about the Viessmann Vitodens 200-W B2HA-285?
Describe what the boiler is doing and get a straight answer about the next step.
On-site service in Greater Vancouver, BC. ROMA lists “Open 7 days” on its site; call to confirm same-day availability.
Compare and explore
Sources and verification
- Viessmann Canada — Vitodens 200-W, B2HA/B2HB product page · accessed September 8, 2026
Facts checked September 8, 2026. Last updated September 8, 2026. Technical reviewer: not yet assigned.