1.7.
1.65
Flickering flame
1.6
buzzing/roaring
noise
1.4
1.25
1.0
0.9
0.6
1
Position of the oil metering valve control knob
.2.2.
0.086
Flickering flame
0.078
2.0
buzzing/roaring
noise
0.059
1.5
0.051
1.3
0.039
1.0
0.035
0.9
0.019
0.5
1
Flue draught in mm water gauge
Satisfactory operation
Weak smoky flame
2
3
4
Flue draught in inches water gauge
Flue draught in mm water gauge
Satisfactory operation
Weak smoky flame
2
3
4
C07100DC023
5
6
5
6
H11
S21
S31
S41
H41
50