Viessmann B2HA 19 Installation Instructions Manual page 31

Wall-mounted, gas-fired condensing boiler
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Vitodens 200-W B2HA 19, 28, 35 Installation
Waterside flow
Boiler maximum flow rate 6.2 GPM (1400 L/h)
Model B2HA 19
Output (NG/LPG)
MBH
t for NG/LPG
20º F (11º C) rise GPM (L/h)
25º F (14º C) rise GPM (L/h)
30º F (17º C) rise GPM (L/h)
35º F (19.5º C) rise GPM (L/h)
40º F (22º C) rise GPM (L/h)
Boiler maximum flow rate 6.2 GPM (1400 L/h)
Model B2HA 28
Output (NG/LPG)
MBH
t for NG/LPG
20º F (11º C) rise GPM (L/h)
25º F (14º C) rise GPM (L/h)
30º F (17º C) rise GPM (L/h)
35º F (19.5º C) rise GPM (L/h)
40º F (22º C) rise GPM (L/h)
Boiler maximum flow rate 6.2 GPM (1400 L/h)
Model B2HA 35
Output (NG/LPG)
MBH
t for NG/LPG
20º F (11º C) rise GPM (L/h)
25º F (14º C) rise GPM (L/h)
30º F (17º C) rise GPM (L/h)
35º F (19.5º C) rise GPM (L/h)
40º F (22º C) rise GPM (L/h)
(continued)
Flow rate
1 boiler
61
6.1 (1385)
4.9 (1113)
4.0 (909)
3.5 (795)
3.1 (704)
1 boiler
91.2
9.1 (2100)
7.3 (1700)
6.1 (1400)
5.2 (1200)
4.6 (1000)
1 boiler
114
11.4 (2589)
9.1 (2067)
7.6 (1726)
6.5 (1476)
5.7 (1295)
Pressure drop (primary circuit) for
Vitodens 200-W, B2HA 19, 28, 35
For sizing an on-site circulation system.
Max. flow rate: 6.2 GPM (1400 L/h)
Boiler Connections
31

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This manual is also suitable for:

Vitodens 200-wB2ha 28B2ha 35

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