Keston 50 - GC Installation And Servicing Instructions page 18

WD50/2/1997 Chapter 2 - Boiler Connections
2.8.5
2.8.6
Installation & Servicing Instructions
O43
65
Flue Outlet Terminal
It is advisable for horizontal flue terminals to place a 45
flue to direct the condensate plume up and away from the property.
Dimensions (mm)
A Below openable window, air brick, etc.
B Below gutters, soil pipes, drain pipes.
C Below eaves.
D Below balconies.
E From vertical drain or soil pipes.
F From internal or external corner.
G Above ground or balcony or roof.
H From surface facing a terminal
I From terminal facing a terminal.
J From opening in a car port.
K Vertically from terminal on same wall.
L Horizontally from terminal on same wall.
Table 2.8.4 Minimum Flue Terminations & Air Inlet Dimensions
Clearances From Wall
Flue outlet and air inlet termination must be at least 60 mm and 95 mm
respectively from the wall face.
Distance Between Flue Outlet & Air Inlet
There is no maximum - the terminations can be on opposite sides of the dwelling
if desired.
Page : 15
The Keston 50, 60 & 80 Condensing Boilers
36
Figure 2.8.1 : Terminals
170
O67
O43
Air Intake Terminal
o elbow at the end of the
Flue
Terminal
300
75
300
200
75
600
300
600
1.2
1.2
1.5
300
70
Air
Inlet
50
75
50
50
50
50
100
100
1.2
100
1.5
300