32 Venting the Boiler
5.3 Coaxial Systems
5.3.1 Horizontal Coaxial Removal (Type C
13
)
Standard Removal System
Ø80/125 => Max. length: A=68 m
Ø60/100 => Max. length: A=20 m
A
B 500 or 1,000
851
140 min
W all
Extended Removal System
Ø80/125 => Max. length: A+B-(1x90°elbow) = 68-2.2 = 65.8 m
Ø60/100 => Max. length: A+B-(1x90°elbow) = 20-1.3 = 18.7 m
B
A
Ø80/125 => Max. length: A+B-(1x45°elbow) = 68-1 = 67 m
Ø60/100 => Max. length: A+B-(1x45°elbow) = 20-1 = 19 m
B
A
Pipe Diameter
(mm)
Maximum
Length (m)
Elbow
Equivalent
Length (m)
Ø60/100
20
45°
1.0
90°
1.3
Ø80/125
68
45°
1.0
90°
2.2