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Ariston EGIS PREMIUM S 25 Installation And Servicing Instructions page 35

Condensing wall-hung gas boiler

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The boiler is set up for connection to a 60/100 coaxial air intake and
fl ue gas exhaust ducting system.
To use split types of suction and exhaust, one of the two air intakes
must be used.
Remove the stopper by loosening the screw and insert the air intake
attachment, fi xing it in place using the screw provided.
Table of fl ue gas exhaust duct lengths
Type
C13
C33
C43
B33
Coaxial System
C13
C33
C43
B33
C13
C33
Twin-pipe System
C43
C53
C83
B23
S1 = Air intake S2 = Flue gas exhaust
Maximum Extension
Exhaust-air (m)
EGIS PREMIUM S
24
30
12
10
12
10
36
30
36
30
S1 = S2
24/24
26/26
4/4
1,5/1,5
40/40
50/50
5,5/5,5
2/2
24/24
26/26
4/4
1,5/1,5
S1 + S2
60
50
12
8
60
50
Diameter of pipe
(mm)
ø 60/100
ø 80/125
ø 80/80
ø 60/60
ø 80/80
ø 60/60
ø 80/80
ø 60/60
ø 80/80
ø 60/60
ø 80
installation
35

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Egis premium s 31