38
Fig. 17
Twin flue system 3 in. (Ø 76,2 mm) with vertical
terminal 3 in. (Ø 76,2 mm) CPVC (L)
BWCAAG000120
BWHAAG000120
BWCAAG000150
BWHAAG000150
Max length (L)
82+82 ft
(24.99+24.99m)
82+82 ft
(24.99+24.99 m)
Terminal
length (L1)
part n
o
197009
1.67 ft (0.5 m)
1.67 ft (0.5 m)
part n
o
197107
2.67 ft (0.8 m)
2.67 ft (0.8 m)
part n
o
197117
3.67 ft (1.1 m)
3.67 ft (1.1 m)
fig. 17
increaser 2”-3”
Fig. 18
Vertical twin flue system 3 in. (Ø 76,2 mm) with
terminal bend CPVC for pitched roof (L)
BWCAAG000120
BWHAAG000120
BWCAAG000150
BWHAAG000150
Max length (L) 82+82 ft (24.99+24.99m) 82+82 ft (24.99+24.99 m)
90° bend
6 ft (1.83m)
6 ft (1.83m)
the expressed lengths are without the terminations
Vertical twin flue system 3 in. (Ø 76,2 mm) with
terminal bend PP for pitched roof (L)
BWCAAG000120
BWHAAG000120
BWCAAG000150
BWHAAG000150
Max length (L) 82+82 ft (24.99+24.99m) 82+82 ft (24.99+24.99 m)
90° bend
6 ft (1.83m)
6 ft (1.83m)
the expressed lengths are without the terminations
fig. 18
increaser 2”-3”
Fig. 19
Vertical twin flue system 3 in. (Ø 76,2 mm) with
terminal bend CPVC for flat roof (L)
BWCAAG000120
BWHAAG000120
BWCAAG000150
BWHAAG000150
Max length (L) 82+82 ft (24.99+24.99m)
82+82 ft (24.99+24.99 m)
90° bend
6 ft (1.83m)
6 ft (1.83m)
the expressed lengths are without the terminations
fig. 19
increaser 2”-3”
Fig. 20
Twin flue system 3 in. PP (Ø 76,2 mm)
BWCAAG000120
BWHAAG000120
BWCAAG000150
BWHAAG000150
Max length (L)
82+82 ft (24.99+24.99m)
82+82 ft (24.99+24.99 m)
Max length (L1) 76 + 76 ft (23.16 + 23.16m)
76+76 ft (23.16+23.16 m)
90° bend
6 ft (1.83m)
6 ft (1.83m)
the expressed lengths are without the terminations
fig. 20
increaser
2”-3”
8 .9
Multi Family boiler installation
In Multi-Family installations where cascade venting multiple boilers
and venting assemblies pass through fire rated floors or partitions,
submit requests directly to Duravent ([email protected])
or Security Chimneys ([email protected]) for an
approved engineered design by the venting manufacturer.
