FLUE OUTLET
20
EXAMPLES OF CALCULATING FLUE RESISTANCES/LENGTHS - EXAMPLE 2
The total maximum ue resistance for a 80kW Model is 260 Pa or 12m
80/125. Therefore this installation is acceptable.
Example 2
Vertical Roof Flue for 80kW Model
Resistance (Pa) Resistance (m)
Flue Size 80/125 80/125
Vertical Flue Kit 80/125 135 4.8
2 x 1m extension ue 2 x (21.7) 2 x (1)
2 x 45º elbow 2 x (22) 2 x (1.1)
Total Flue Resistance 222 9
Horizontal Flue for 40kW Model
Resistance (Pa) Resistance (m)
Flue Size 80/125 80/125
Horizontal Wall Flue Kit 80/125 45 7
2 x 1m extension ue 2 x (4.8) 2 x (1)
1 x 90º elbow 14 1.6
Total Flue Resistance 68.6 10.6
19
EXAMPLES OF CALCULATING FLUE RESISTANCES/LENGTHS - EXAMPLE 1
The total maximum ue resistance for 40kW Model is 200Pa or 42m
80/125. Therefore this installation is acceptable.
Example 1