90
Gas boiler, type B and C, category I
2N
/I
2H
Type
B0KA
BPKA
Rated heating output range (details to EN 15502)
T
F
/T
R
= 50/30 °C
Natural gas
kW
3.2 (7.0
*1
) - 19.0
3.2 (7.0
*1
) - 25.0
T
F
/T
R
= 80/60 °C
Natural gas
kW
2.9 (6.3
*1
) - 17
2.9 (6.3
*1
) - 22.5
Max. amount of condensate
To DWA-A 251
l/h
3.8
4.4
Condensate connection (hose nozzle)
Ø mm
20 - 24
20 - 24
Flue gas connection
Ø mm
60
60
Ventilation air connection
Ø mm
100
100
Standard seasonal efficiency [to DIN] at
T
F
/T
R
= 40/30 °C
%
Up to 98 (H
s
) [gross cv]
Energy efficiency class
A
A
Note
The supply values are only for reference (e.g. in the
gas contract application) or for a supplementary, rough
estimate to check the volumetric settings. Due to fac-
tory settings, the gas pressure must not be altered
from these values. Reference: 15 °C, 1013 mbar
(101.3 kPa).
Flue system types
Available in the following countries
Flue system types
AE, AM, AZ, BA, BG, BY, CH, CY, CZ, DK, EE, ES, FI,
FR, GB, GR, HR, HU, IE, IS, IT, KG, KZ, LT, LV, MD,
ME, MT, NL, NO, PL, PT, RO, RS, RU, SE, SK, TR, UA,
UZ
B
23
, B
23P
, B
33
, C
13
, C
33
, C
53
, C
63
, C
83
, C
83P
, C
93
(C
43
, C
43P
, C
(10)3
, C
(11)3
, C
(13)3
, C
(14)3
*3
)
AU, BE, NZ
B
23
, B
23P
, B
33
, C
13
, C
33
, C
53
, C
83
, C
83P
, C
93
(C
43
, C
43P
, C
(10)3
, C
(11)3
, C
(13)3
, C
(14)3
*3
)
DE, LU, SI
B
23
, B
23P
, B
33
, C
13X
, C
33X
, C
53X
, C
63X
, C
83X
, C
93X
(C
43
, C
43P
, C
(10)3
, C
(11)3
, C
(13)3
, C
(14)3
*3
)
CN
C13
Gas categories
Available in the following countries
Gas categories
AE, AM, AZ, BA, BG, BY,CY, CZ, DK, EE, ES, FI,
GB, GR, HR, IE, IT, IS, KG, KZ, LT, LU, LV, MD,
ME, MT, NO, PT, RO, RS, RU, SE, SK, TR, UA,
UZ
I
2N
/I
2H
2N/2H - G 20 - 20 mbar
AM, AZ, BY, MD, KG, KZ, RU, UA, UZ
I
2N
/I
2H
2N/2H - G 20 - (13) 20
mbar
*1
Appliances for multiple connection of type B0KA-[kW]-M
*3
Only for specifically marked appliances.
Specification
Gas condensing combi boiler
(cont.)
6173886
Service
