Viessmann · Vitodens 200-W (legacy B2HA / B2HB)
Viessmann Vitodens 200-W WB2B-60
The Vitodens 200-W WB2B-60 is the larger mid-chassis WB2B: 60 to 212 MBH NG/LPG input at 96.1% AFUE in a 155 lb (70 kg) cabinet.
Key figures
- Max input
- 212 MBH
- Max CSA output
- —
- AFUE
- 96.1 %
- Min input
- 60 MBH
Input is gas energy consumed; output is heat delivered. Never size from input alone.
Viessmann Vitodens 200-W WB2B-60 in practice
The WB2B-60 is rated 60-212 MBH (17-62 kW) input, 55-194 MBH (16-57 kW) output and a 169 MBH Net I=B=R rating at 96.1% AFUE. It shares the 155 lb (70 kg) mid chassis, 1.9 USG water content, 60 psig rating and 19 x 15 x 33½ in dimensions with the WB2B-45.
With the WB2B-45 it is documented for single-boiler installation and for multi-boiler installations with the Vitocontrol-S cascade control. The WB2B generation runs on natural gas or propane and is documented in Viessmann Canada's historic manuals.
Best suited to
- Owners of existing WB2B-60 units looking up printed ratings
- Residential and light-commercial loads up to 212 MBH
- Documentation for the larger mid-chassis WB2B size
Applicability and support
- Model number
- WB2B-60
- Canadian availability
- historical
- Production status
- discontinued
- ROMA supplies
- Confirmed at consultation
- ROMA services
- Confirmed at consultation
- Warranty
- Not verified
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 (NG/LPG) | 60 MBH | 17 kW, per the technical data manual |
| CSA input, maximum (NG/LPG) | 212 MBH | 62 kW, per the technical data manual |
| Output | ||
| CSA output / DOE heating capacity | 55-194 MBH | 16-57 kW, based on 140°F / 120°F supply/return |
| Net I=B=R rating | 169 MBH | Based on piping and pick-up allowance of 1.15. |
| Efficiency | ||
| Efficiency (AFUE) | 96.1 % | 96.1% AFUE per the technical data manual. |
| Physical and connections | ||
| Weight | 155 lb | 70 kg |
| Width | 19 in | 480 mm |
| Depth | 15 in | 380 mm |
| Height | 33.5 in | 850 mm |
| Operating limits and other | ||
| Fuel | Natural gas or liquid propane gas | NG minimum supply pressure 4 in. w.c.; LPG 10 in. w.c. |
| Boiler water content | 1.9 USG | |
| Maximum operating pressure | 60 psig | At 210°F (99°C). |
| Boiler heating supply / return | 1¼ in. NPTM | Gas valve connection 1 in. NPTF; pressure relief and drain valves ¾ in. |
Manuals
- Technical Data Manual — Vitodens 200-W WB2B Series, doc 5369 295 v1.55369 295 v1.5 · 2012-09
- Installation Instructions — Vitodens 200-W WB2B 19, 26, 35, rev 1.61.6 · 2011-12
- Technical Data Manual — Vitodens 200-W WB2 Series, rev 3.43.4 · 2008-01
Alerts documented for this model
None documented yet.
Frequently asked questions
What is the WB2B-60 rated at?
60-212 MBH (17-62 kW) NG/LPG input, 55-194 MBH (16-57 kW) output, a 169 MBH Net I=B=R rating and 96.1% AFUE.
How does the WB2B-60 differ from the WB2B-45?
Only the firing range: 60-212 vs 60-160 MBH input and 55-194 vs 55-146 MBH output, in the same mid chassis.
Does the WB2B-60 support cascade control?
Yes — the Vitocontrol-S, WB2B cascade control is documented for multiple-boiler installations of the 45 and 60 models, and also for the 80 and 105 models.
Questions about the Viessmann Vitodens 200-W WB2B-60?
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 WB2B-45 vs WB2B-60Comparison
- Viessmann Vitodens 200-W WB2B-19Same series
- Viessmann Vitodens 200-W WB2B-26Same series
- Viessmann Vitodens 200-W WB2B-35Same series
- Viessmann Vitodens 200-W WB2B-45Same series
- Viessmann Vitodens 200-W WB2B-80Same series
- Viessmann Vitodens 200-W WB2B-105Same series
- Vitodens 200-W (legacy B2HA / B2HB) series hub
- Buying guide
Sources and verification
- Technical Data Manual — Vitodens 200-W WB2B Series, doc 5369 295 v1.5 · 5369 295 v1.5 · accessed September 9, 2026
- Viessmann Canada — Historic manuals · accessed September 9, 2026
Facts checked September 9, 2026. Last updated September 9, 2026. Technical reviewer: not yet assigned.