Viessmann · Vitodens 100-W (B1HE / B1KE)
Viessmann Vitodens 100-W B1KE-199
The Vitodens 100-W B1KE-199 is the largest combi in Viessmann Canada's 100-W series: 19.9 to 199 MBH heating input at 95% AFUE, with on-demand DHW at 4.7 USG/min continuous draw for homes with higher hot-water demand.
Key figures
- Max input
- 199 MBH
- Max CSA output
- —
- AFUE
- 95 %
- Min input
- 19.9 MBH
Input is gas energy consumed; output is heat delivered. Never size from input alone.
Viessmann Vitodens 100-W B1KE-199 in practice
The B1KE-199 combines the 199 MBH heating range with on-demand domestic hot water through a plate heat exchanger, making it the single-appliance answer for a larger home that wants combi simplicity. Its continuous DHW draw of 4.7 USG/min at a 77°F rise is about 40% higher than the B1KE-120's 3.3 USG/min, which covers busier bathroom use.
Heating input runs 19.9 to 199 MBH (5.8 to 58.3 kW) at 95% AFUE, and the boiler weighs 190 lb (86 kg) in the 17.75 x 21.75 x 39 inch cabinet shared with the B1HE-150 and B1HE-199 — so the wall, doorways and lifting plan are those of the larger 100-W models.
As with any combi, the sizing question is really about DHW: a house whose heat loss sits well below 199 MBH may still choose the B1KE-199 for its hot-water delivery, but the higher 19.9 MBH minimum fire should be weighed against a heating-only model with an indirect tank.
Best suited to
- Larger homes wanting one wall-hung gas appliance for heat and hot water
- Households whose simultaneous DHW demand exceeds the B1KE-120's 3.3 USG/min
- Projects replacing both a boiler and a tank in the 100-W family footprint
Applicability and support
- Model number
- B1KE-199
- 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 | ||
| Heating input, minimum (natural gas) | 19.9 MBH | 5.8 kW |
| Heating input, maximum (natural gas) | 199 MBH | 58.3 kW |
| Efficiency | ||
| Efficiency (AFUE) | 95 % | 95% AFUE on all models per the Canadian product page. |
| Domestic hot water | ||
| Continuous DHW draw at 77°F rise | 4.7 USG/min | At a 77°F (43K) rise, per the Canadian product page. |
| Domestic hot water | Combi: on-demand DHW via an integrated plate heat exchanger | |
| Venting and air | ||
| Maximum vent run | 180 ft | As published; see the technical data manual for per-size and pipe-material limits. |
| Physical and connections | ||
| Weight | 190 lb | 86 kg |
| Width | 17.75 in | 450 mm |
| Depth | 21.75 in | 550 mm |
| Height | 39 in | 989 mm |
| Operating limits and other | ||
| Fuel | Natural gas or liquid propane | No mechanical fuel-conversion adjustment required per the Canadian product page. |
| Turndown ratio | up to 10:1 | Manufacturer claim; natural gas at high fire. |
Manuals
- Installation and Service Instructions — Vitodens 100-W B1HE and B1KE combi series, doc 6167 818 - 226167 818 - 22 · 2026-02
- Technical Data Manual — Vitodens 100-W B1HE/B1KE, doc 5472 801 - 095472 801 - 09 · 2026-02
Alerts documented for this model
- F.5
- F.7
- F.8
- F.13
- F.14
- F.49
- F.50
- F.59
- F.62
- F.63
- F.67
- F.68
- F.69
- F.70
- F.71
- F.72
- F.73
- F.74
- F.77
- F.89
- F.142
- F.160
- F.161
- F.163
- F.182
- F.183
- F.184
- F.185
- F.299
- F.342
- F.345
- F.346
- F.348
- F.349
- F.350
- F.351
- F.352
- F.353
- F.354
- F.355
- F.357
- F.359
- F.361
- F.366
- F.367
- F.369
- F.370
- F.372
- F.373
- F.377
- F.378
- F.379
- F.380
- F.381
- F.382
- F.383
- F.384
- F.385
- F.386
- F.387
- F.388
- F.395
- F.396
- F.399
- F.400
- F.401
- F.402
- F.403
- F.404
- F.405
- F.406
- F.408
- F.410
- F.416
- F.417
- F.418
- F.425
- F.430
- F.446
- F.447
- F.448
- F.449
- F.450
- F.451
- F.452
- F.453
- F.454
- F.455
- F.456
- F.457
- F.463
- F.464
- F.467
- F.468
- F.471
- F.473
- F.474
- F.527
- F.528
- F.540
Frequently asked questions
How much more hot water does the B1KE-199 deliver than the B1KE-120?
Continuous DHW draw rises from 3.3 to 4.7 USG/min at a 77°F rise, per Viessmann Canada, and the heating input rises from 120 to 199 MBH.
How heavy is the B1KE-199?
190 lb (86 kg) per Viessmann Canada, versus 110 lb for the B1KE-120. It also stands 39 inches tall against 33.75 inches for the 120.
Is a 199 MBH combi too large for a typical home?
For heating alone, often yes — most homes do not need 199 MBH. But combis are sized for hot-water delivery as well: if the DHW demand exceeds the 120's 3.3 USG/min continuous draw, the 199 may be the correct combi despite the higher minimum fire.
Questions about the Viessmann Vitodens 100-W B1KE-199?
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 100-W B1KE-120 vs B1KE-199Comparison
- Viessmann Vitodens 100-W B1HE-85Same series
- Viessmann Vitodens 100-W B1HE-120Same series
- Viessmann Vitodens 100-W B1HE-150Same series
- Viessmann Vitodens 100-W B1HE-199Same series
- Viessmann Vitodens 100-W B1KE-120Same series
- Vitodens 100-W (B1HE / B1KE) series hub
- Buying guide
Sources and verification
- Viessmann Canada — Vitodens 100-W, B1HE/B1KE product page · accessed September 7, 2026
- Installation and Service Instructions — Vitodens 100-W B1HE/B1KE, doc 6167 818 - 22 · 6167 818 - 22 · accessed September 7, 2026
- Technical Data Manual — Vitodens 100-W B1HE/B1KE, doc 5472 801 - 09 · 5472 801 - 09 · accessed September 7, 2026
Facts checked September 7, 2026. Last updated September 7, 2026. Technical reviewer: not yet assigned.