© Baxi Heating UK Ltd 2008
6
Model
Seasonal Efficiency
(SEDBUK) (%)
9 SL
86.1
12 SL
86.4
15 SL
86.2
18 SL
86.2
21 SL
86.2
24 SL
86.2
Models
9 SL
12 SL
15 SL
18 SL
21 SL
24 SL
Heat Input - Gross
kW
10.22
13.62
17.04
20.43
23.84
27.25
Btu/h
34,877
46,465
58,129
69,717
81,343
92,968
Heat Output
(Non Condensing)
kW
8.82
11.78
14.76
17.72
20.68
23.63
Btu/h
30,093
40,181
50,350
60,466
70,553
80,641
Heat Output
(Condensing)
kW
9.50
12.64
15.66
18.83
21.89
24.94
Btu/h
32,430
43,111
53,431
64,232
74,703
85,105
Gas Rate
m
3
/h
0.98
1.30
1.63
1.95
2.28
2.60
ft
3
/h
34.5
45.9
57.5
68.9
80.4
91.9
Burner Pressure - Hot
mbar
8.6
10.4
9.0
8.4
11.4
12.8
in wg
3.44
4.16
3.6
3.36
4.56
5.12
Gas Supply Pressure
mbar
20
20
20
20
20
20
Injector Size
mm
2.8
3.1
3.5
3.9
3.9
4.1
Water Content
litres
2.3 - 9, 12 & 15
2.7 - 18, 21 & 24
Boiler Weight
kg
39.0 - 9, 12 & 15
42.8 - 18, 21 & 24
(Lift/Installed - Dry)
Nox Class
2
2
2
2
2
2
Maximum Working Head
30.5m (100 ft)
Minimum Working Head
150mm (6 in)
Flow Temperature Range
63°C - 82°C
Gas Supply Connection
15 mm Tail
Flow/Return Connections
22 mm Copper
Condensate System Connection
21.5 mm PP
Electricity Supply
230v ~ 50Hz
External Fuse
3A
Internal Fuse
Type 3.15AT
Power Consumption
80 Watts (excluding pump)
Electrical Protection
IP20
Boiler Type
C
12
, C
32
, C
52
Boiler Category
CAT 1
2 H
2H - G20 - 20 mbar
2. Technical Data
SEDBUK Declaration for
Performa SL HE
This value is used in the UK
Government's Standard Assessment
Procedure (SAP) for energy rating of
dwellings. The test data from which it
has been calculated have been
certified by 0087.
