Dimensions And Fixings - Potterton Promax System HE Installation And Servicing Instructions

3°
(1 in 20)
D
Fig. 7
X
Fig. 8
8
E
A
B
360° Orientation
C
Tube Ø 110mm
F
Y

5.0 Dimensions and Fixings

The 3° (1 in 20) fall provided by
the elbow is to allow condensate
to run back to the boiler, for
disposal through the condensate
discharge pipe.
SIDE FLUE (left and right)
For every 1m of horizontal flue
length, the clearance above the
3°
top of the flue elbow should be
(1 in 20)
55mm to incorporate the 3°
(1 in 20) fall in the flue from the
terminal to the elbow.
Flue length (Y)
up to 1m
1m - 2m
2m - 3m
DIMENSIONS
A 850mm
B 325mm
C 490mm
D 125mm Ø Min.
E 150mm
F 125mm
Clearance (X)
55mm
110mm
165mm