M&G DuraVent DuraStack® - Manual (Page 14)

14
Figure 15
45° tEE y (ty)
1. This kind of tee is useful where the stack
is located between two application or with
a double exhaust system. Use the same
support method and thermal expansion
considerations from the other tees (See
Figure 14).
tEE Cap (tC)
1. Use to block one of the openings of
horizontal or vertical tee.
2. Removable, it facilitates access for
inspection and maintenance of the chimney.
3. The installation is the same as for lengths.
Figure 16
Table 10
Tapered Increaser Height
Step 1" Diameter 2" Diameters 3" Diameters
C 4" 8" 12"
4. When removed, the old silicone must be
cleaned out and a new bed of sealant must
be applied.
DraIn-tEE Cap (DtC)
1. Use as a drain for vertical stack.
2. Connect to a suitable drain fitting to allow
rain entering the chimney to wash down,
dilute and remove any corrosive residue.
3. Same installation as a tee cap.
InCrEaSEr, StEp or tapErED
1. Use to increase the diameter of the
chimney flue.
2. The tapered increaser induce less pressure
drop than the step increaser, but requires
more space. It has a 15° side angle and
Figure 14
Figure 13
* See Table 10
45°
Tee
Expansion
Length
Increaser
Appliance
Stationary
Fix
Support
Expansion
Length
Increaser
45° Elbow
45° Tee Y
Tee
Cap
Drain-Tee
Cap
Ø B
Ø B
Ø A
Ø A
C
2"
2"
6"
Appliance Appliance
Appliance