4.3 Technical data - Dimensions - Hydraulic connections
PREXTHERM RSW N
mín.
Rated power
máx.
mín.
Combustion chamber power
máx.
Useful effi ciency at 100%
maximum powe
Useful effi ciency at 30%
maximum powe
Total boiler capacity
Dt 10ºC
Dt 15ºC
Water side load loss
Dt 20ºC
Flue side load loss
Maximum operating pressure
Dry weight
A
B
C
D
E
F
G
H
I
DIMENSIONS
L
L1
M
N
O
P
Q
R
Firebox internal diameter(Fig.
L2
1 / 2)
Firebox length (Fig. 1 / 2)
L1
T1
HOT WATER FLOW
T2
HOT WATER RETURN
EXPANSION TANK CONNEC-
T3
TION
T4
BOILER DRAIN
T5
FLUE GAS OUTLET
Key
1
Control panel
2
Burner bracket
3
Smokebox cleaning door
4
Flame inspection window
T1 Central heating feed
40
EN
92N
107N
152N
190N
60
70
100
137
kW
92
107
152
190
kW
64,3
75
107,3
147,4
kW
99,5
116
165
206
kW
92,48
92,00
92,30
91,95
93,95
93,65
94,50
93,46
120
120
185
185
l
mbar
8
11
20
12
4
6
12
7
mbar
2
2,5
5
3
mbar
0,5
0,7
1,2
1,2
mbar
6
6
6
6
bar
260
260
350
350
Kg
800
800
800
800
mm
772
772
1022
1022
mm
860
860
915
915
mm
mm
162
162
162
162
167
167
167
167
mm
148
148
148
148
mm
510
510
545
545
mm
385
385
425
425
mm
1087
1087
1337
1337
mm
160
160
165
165
mm
156
156
156
156
mm
925
925
980
980
mm
mm
152
152
172
172
150
150
230
230
mm
250
250
350
350
mm
750
750
750
750
mm
740
740
990
990
mm
390
390
420
420
mm
705
705
1165
1165
mm
2"
2"
2" 1/2
2" 1/2
2"
2"
2" 1/2
2" 1/2
1" 1/2
1" 1/2
1" 1/2
1" 1/2
3/4"
3/4"
3/4"
3/4"
200
200
220
220
Øe mm
T2
T3
T4
T5
T6
PREXTHERM RSW N
240N
300N
350N
401N
160
196
228
260
240
300
350
401
170,9
209,5
242,5
277,5
261
326
378
434
92,25
92,05
92,51
92,30
94,24
94,12
95,50
94,19
235
300
365
365
17
40
48
43
10
17
23
31
4
9
13
16
2,3
3,3
3,5
4,4
6
6
6
6
440
480
590
590
800
940
940
940
1272
1272
1522
1522
915
1035
1035
1035
162
162
162
162
167
187
187
187
148
148
148
148
545
630
630
630
425
465
465
455
1587
1607
1857
1857
165
185
185
170
156
156
156
156
980
1100
1100
1100
222
222
222
222
330
330
380
380
450
450
600
600
750
890
890
890
1240
1240
1490
1490
420
488
538
538
1165
1130
1390
1390
2" 1/2
2" 1/2
2" 1/2
2" 1/2
2" 1/2
2" 1/2
2" 1/2
2" 1/2
1" 1/2
1" 1/2
1" 1/2
1" 1/2
3/4"
3/4"
3/4"
3/4"
220
220
220
220
Central heating return
Expansion vessel connection
Boiler drain
Flue gas outlet
Burner connection
525N
600N
720N
820N
940N
341
390
468
533
611
525
600
720
820
940
364,5
417
502
566
651
567
648
777
881
1011
92,50
92,56
92,71
93,10
92,95
94,15
94,32
93,60
94,40
94,20
405
465
735
735
850
40
51
32
40
51
22
28
18
25
25
12
16
10
18
16
4,3
4,8
4,5
5,6
5,4
6
6
6
6
6
860
970
1250
1250
1420
1050
1050
1250
1250
1250
1534
1794
1784
1784
2024
1185
1185
1335
1335
1335
162
162
162
162
162
182
182
212
212
212
143
143
219
219
219
725
725
830
830
830
518
518
565
565
565
1859
2119
2215
2215
2455
205
205
196
196
196
155
155
227
227
227
1250
1250
1400
1400
1400
228
228
223
223
223
380
440
440
440
480
600
700
700
700
900
1000
1000
1200
1200
1200
1492
1752
1752
1752
1992
618
616
686
686
686
1390
1640
1660
1660
1860
80
80
100
100
100
80
80
100
100
2"
2"
2 1/2"
2 1/2"
2 1/2"
3/4"
3/4"
1"
1"
1"
250
250
340
340
340
A73020801
1060N
667
1000
717
1075
93,05
96,75
1250
65
33
20
6
6
1580
1430
2028
1515
162
240
214
900
670
2482
196
227
1580
227
480
900
1380
1992
774
1860
125
125
3"
1"
400