25
HEATING ENGINEER
B
A
E
5
4/6
10
D
3
1
C
2
A
B
100
1
4
3
C
2
5
6
D
F
A
B
100
1
4
3
C
2
5
6
D
F
G
E
E
G
1
2
D
5
4/6
25
C
B
A
RTQ 217÷349 3S
RTQ 448÷2400 3S
DESCRIPTION
RTQ 3S
91 115 166 217 255 318 349 448 511 575 639 766 896 1100 1300 1600 2100 2400
1 - Central heating flow (*) G1"1/4 G2"
G2" G2"1/2 G2"1/2 G2"1/2 G2"1/2 DN80 DN80 DN100 DN100 DN100 DN125 DN125 DN125 DN150 DN175 DN175 Ø
2 - Instrument bulb /
sensor socket
G1/2" G1/2" G1/2" G1/2" G1/2" G1/2" G1/2" G1/2" G1/2" G1/2" G1/2" G1/2" G1/2" G1/2" G1/2" G1/2" G1/2" G1/2" Ø
3 - Safety device fitting
-
G1"1/4 G1"1/4 G1"1/4 G1"1/4 G1"1/4 G1"1/4 G1"1/2 G1"1/2 G1"1/2 G1"1/2 G2"1/2 G2"1/2 G2"1/2 DN 80 DN100 DN100 DN100 Ø
4 - Central heating return (*) G1"1/4 G2"
G2" G2"1/2 G2"1/2 G2"1/2 G2"1/2 DN80 DN80 DN100 DN100 DN100 DN125 DN125 DN125 DN150 DN175 DN175 Ø
5 - Condensate drain
G1/2" G3/4" G3/4" G3/4" G3/4" G3/4" G3/4"
G1"
G1"
G1"
G1"
G1"
G1"
G1"
G1"
G1"
G1"
G1"
Ø
6 - Boiler drain
G1"1/4 G2"
G2"
G1"
G1"
G1"
G1" G1"1/4 G1"1/4 G1"1/4 G1"1/4 G1"1/4 G1"1/4 G1"1/4 G1"1/2 G1"1/2 G1"1/2 G1"1/2 Ø
A
110
577
628
750
750
850
850
1000 1000 1250 1250 1300 1540 1600 1650 1650 1910 1910 mm
B
552
124
124
305
305
315
315
480
480
445
445
540
610
655
700
735
745
745 mm
C
60
115
115
80
80
80
80
75
75
105
105
105
100
100
115
142
122
122 mm
D
85
95
110
205
205
205
205
215
215
300
300
250
550
650
380
280
510
510 mm
E
-
95
120
110
110
110
110
110
110
110
110
110
110
110
115
115
120
120 mm
F
-
-
-
95
95
95
95
95
95
95
95
95
110
115
120
117
155
155 mm
G
-
-
-
85
85
85
85
145
145
180
180
125
145
170
180
215
335
335 mm
(*) All flanged connections are PN6 according to EN 1092-1.
