Install The Termination Cap - Heatilator ST42A Owner's Manual

C. Install the Termination Cap
•
Install the chimney sections up through the chase
enclosure. When using a TR11 Round Termination Cap,
the uppermost top section of pipe must extend 6 in.
(152 mm) above the top of the fl ashing collar to allow
installation of the storm collar and termination cap. See
Figure 6.5.
•
For installations utilizing a TR11T Round Telescoping
Termination Cap, the uppermost chimney section must
be below the top of the chase top, but not more than
14 -1/2 in. (368 mm) below the top of the chase top.
Minimum overlap of chimney and termination cap must
be 1-1/2 in. (38 mm). See Figure 6.6.
•
For installations utilizing an ST1175 Square Termination
Cap the last chimney section must not be more than
4-1/2 in. (114 mm) below the chase top. See Figure 6.7.
•
For installations utilizing an TCT1175 Terra Cotta Cap the
last chimney section must be between 7 in. (178 mm) below
the chase top and 2 in. (51 mm) above. See Figure 6.8.
•
For chase installations you can use a TR11 Round
Termination Cap, a TR11T Round Telescoping Termination
Cap, an ST1175 or a TCT1175 Terra Cotta Termination
Cap.
•
Install the termination cap following the instructions
provided with it.
Minimum 1-1/2 in. (38 mm) overlap of cap over pipe
6 in. (152mm) min.
Flashing Collar
Figure 6.5 Installing a TR11 Round Termination Cap
Flashing Collar
Top of Pipe
Figure 6.6 Installing a TR11T Round Telescoping Termination Cap
22
Storm Collar
2 in. (51 mm) min.
2 in. (51 mm) min. collar
Storm Collar
2 in. (51 mm) min.
14-1/2 in. (368mm) max.
1-1/2 in. (38 mm) min.
overlap
Heatilator • ST42A • 35038 Rev G • 02/05
Note: To protect against the effect of corrosion on those
parts exposed to the weather, the termination cap can be
painted with a rust-resistant paint.
WARNING
Fire Risk
• The minimum overlap of cap to pipe
MUST be met or chimney may separate
from cap.
Separation allows sparks, heat and embers
to escape.
Cap Standoff
1-1/2 in.
(38 mm) min.
overlap
Top of Pipe
Figure 6.7 Installing an ST1175 Square Termination Cap
1-1/2 in. (38 mm)
min. overlap
{
Top of Pipe
Figure 6.8 Installing a TCT1175 Terra Cotta Cap
Flashing Collar
2 in. (51 mm) min.
4-1/2 in.
(114 mm)
max.
The last section of pipe
must stop between the
distances given below.
2 in. (51 mm) above top
of the chase.
7 in. (178 mm) below top
of the chase.