Viessmann · Vitodens 200-W (B2HB)
Viessmann Vitodens 200-W B2HB 45, 160
The Vitodens 200-W B2HB 45, 160 opens the B2HB large chassis: 32 to 160 MBH natural gas input (60 to 160 MBH propane) at 95.0% AFUE in a 210 lb (95 kg) wall-hung boiler with a 60 psig rating.
Key figures
- Max input
- 160 MBH
- Max CSA output
- —
- AFUE
- 95 %
- Min input
- 32 MBH
Input is gas energy consumed; output is heat delivered. Never size from input alone.
Viessmann Vitodens 200-W B2HB 45, 160 in practice
The B2HB 45, 160 is the first model of the B2HB large chassis group: printed natural gas input 32-160 MBH (9-47 kW), propane 60-160 MBH (17.5-47 kW), output 30-149 MBH (9-44 kW) and a 127 MBH Net AHRI rating at 95.0% AFUE.
The chassis step brings 210 lb (95 kg) of weight, 3.85 USG of boiler water, a 60 psig maximum operating pressure and a 19 x 21 x 43.5 in (480 x 530 x 1105 mm) cabinet. Unlike the smaller B2HB sizes, the 45 and the 57, 199 can be common-vented — but only with other Vitodens 200-W boilers of the same size and series.
Best suited to
- Large homes whose heat-loss calculation needs more than 125 MBH
- Plants planning common venting of same-size Vitodens 200-W boilers
- Owners of existing B2HB 45/160 units looking up printed ratings
Applicability and support
- Model number
- B2HB 45, 160
- Canadian availability
- historical
- Production status
- discontinued
- 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 | ||
| CSA input, minimum (natural gas) | 32 MBH | 9 kW, per the technical data manual |
| CSA input, maximum (natural gas) | 160 MBH | 47 kW, per the technical data manual |
| CSA input (liquid propane) | 60-160 MBH | Printed LPG range; minimums are higher than natural gas on the 26/94 and larger sizes. |
| Output | ||
| CSA output / DOE heating capacity (natural gas) | 30-149 MBH | 9-44 kW, based on 140°F / 120°F supply/return |
| Net AHRI rating | 127 MBH | Based on piping and pick-up allowance of 1.15. |
| Efficiency | ||
| Efficiency (AFUE) | 95 % | 95.0% AFUE on all B2HB sizes per the technical data manual; up to 98% at full modulation. |
| Physical and connections | ||
| Weight | 210 lb | 95 kg |
| Width | 19 in | 480 mm |
| Depth | 21 in | 530 mm |
| Height | 43.5 in | 1105 mm |
| Operating limits and other | ||
| Fuel | Natural gas or liquid propane | As printed in the technical data manual's CSA input rows. |
| Boiler water content | 3.85 USG | |
| Maximum operating pressure | 60 psig | At 210°F (99°C). |
Manuals
- Technical Data Manual — Vitodens 200-W B2HB 19 to 57, 68 to 199, doc 5461 883 - 185461 883 - 18 · 2025-04
- Installation Instructions — Vitodens 200-W B2HB 19-35, rev 1616 · 2025-04
- Service Instructions — Vitodens 200-W B2HB 19-35, rev 2727 · 2025-04
- Installation Instructions — Vitodens 200-W B2HB 45-57, rev 1515 · 2025-04
- Service Instructions — Vitodens 200-W B2HB 45-57, rev 2121 · 2025-04
Alerts documented for this model
None documented yet.
Frequently asked questions
What is the input range of the B2HB 45, 160?
32-160 MBH (9-47 kW) natural gas and 60-160 MBH (17.5-47 kW) propane, with 30-149 MBH output, a 127 MBH Net AHRI rating and 95.0% AFUE.
How heavy is the B2HB 45, 160?
210 lb (95 kg), with 3.85 USG of boiler water and a 60 psig maximum operating pressure — the same large chassis as the B2HB 57, 199, measuring 19 x 21 x 43.5 in (480 x 530 x 1105 mm).
Can the B2HB 45, 160 be common-vented?
Yes, but only with other Vitodens 200-W boilers of the same size and series, per the technical data manual. It cannot be common-vented with the smaller B2HB models or other appliances.
Questions about the Viessmann Vitodens 200-W B2HB 45, 160?
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
- Viessmann Vitodens 200-W B2HB 35, 125 vs B2HB 45, 160Comparison
- Viessmann Vitodens 200-W B2HB 45, 160 vs B2HB 57, 199Comparison
- Viessmann Vitodens 200-W B2HB 19, 68Same series
- Viessmann Vitodens 200-W B2HB 26, 94Same series
- Viessmann Vitodens 200-W B2HB 35, 125Same series
- Viessmann Vitodens 200-W B2HB 57, 199Same series
- Vitodens 200-W (B2HB) series hub
- Buying guide
Sources and verification
- Technical Data Manual — Vitodens 200-W B2HB 19 to 57, 68 to 199, doc 5461 883 - 18 · 5461 883 - 18 · accessed September 9, 2026
- Viessmann Canada — Current product manuals · accessed September 9, 2026
Facts checked September 9, 2026. Last updated September 9, 2026. Technical reviewer: not yet assigned.