33
EN
2.1.3
Dimensions and fittings
NOTES:
– Anode 1 is standard-fitted on all BS 1S devices (G 1"1/4 fit-
ting).
– Anode 2 is standard-fitted only on the BS 1S 3000 device (G
1"1/4 fitting).
– Anode 3 is standard-fitted on all calorifiers.
ø ext.
4
1
7
3
5
2
10
8
6
9
E
H
B
A
F
G
L
M
N
P
C
ANODE 1
ANODE 2
ANODE 3
Fig. 2
DIMENSIONS AND WATER CONNECTIONS
BS 1S
200
300
400
500
750
1000
1500
2000
2500
3000
INSPECTION FLANGE
Fitting
A
mm
258
257
268
335
400
400
520
550
640
640
no. 10
ext.
Φ
168 mm/int.
Φ
114 mm
HEATING ELEMENT
Fitting
B
mm
629
914
891
1150
1050
1050
1255
1310
1400
1400
no. 8
1"1/2
THERMOMETER
Fitting
C
mm
929
1384
1411
1400
1430
1680
1825
2090
2130
2430
no. 6
1/2"
COLD WATER
Fitting
F
mm
67
67
79
175
220
220
315
340
430
430
no. 1
1"1/4
HEATING RETURN
Fitting
G
mm
264
264
286
320
385
385
470
460
550
550
no. 3
1"1/4
HEATING DELIVERY
Fitting
L
mm
579
849
846
1075
970
970
1180
1160
1250
1300
no. 4
1"1/4
HEATING SENSOR
Fitting
M
mm
474
654
660
825
775
870
943
927
1075
1075
no. 7
RECIRCULATION
Fitting
N
mm
884
1141
1163
1315
1350
1545
1460
1650
1740
2040
no. 5
1"
HOT WATER
Fitting
P
mm
1164
1609
1581
1595
1590
1840
1935
2210
2250
2550
no. 2
1"1/4
TOTAL HEIGHT
H
mm
1270
1710
1690
1785
1870
2120
2285
2550
2680
2980
EXT. DIAMETER (W/INSUL.)
ext.
ø
mm
610
610
710
760
950
950
1200
1300
1400
1400
ext. Φ