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NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
4
GENERAL INSTALLATION NOTES
INSTALLATION NOTES
1
1. The chimney is intended for use with solid (6’’,7’’,8’’ dia. only) or
liquid and gaseous fuel burning appliances.(all diameters)
Allowable flue gas temperature:
Maximum continuous 540°C (1000°F)
Brief forced firing 760°C (1400°F)
Tested to 1150°C (2100°F) - 30 minutes
2.
On wood or coal stove application and in area where the chimney
is completely enclosed, it is required to install Premium shields
(telescopic of flexible) around the chimney and a Radiation shield
connector at the ceiling level.
For venting of gas or oil burning appliances Premium shields are
not required even where the chimney is enclosed.
For factory-built wood burning fireplaces, Premium shields are
usually not required, please follow fireplace installation instruction.
3. The maximum height of chimney supported by the various supports
are outlined on page 3.
4. The supports described in this booklet should only be used with
Duravent model DURATECH CANADA (DTC), 5", 6", 7", 8" and 10"
factory built chimneys.
5. Size the chimney in accordance with the appliance manufacturer's
instructions.
6. When a firestop (DTC-FS , DTC-ISI or DTC-RSCI) needs to be installed,
it is important to follow the opening dimensions for the floor open-
ings prescribed in this manual. This way, the holes left by the folded
positioning tab of the firestop will be blocked by the ceiling.
7. A chimney servicing a fireplace or an incinerator shall not serve any
other appliance.
8. The chimney shall extend at least 3 ft above its point of contact with
the roof and at least 2 ft higher than any wall, roof or adjacent building
within 10 ft of it.
9. The maximum height of unguided chimney above the roof is 5 ft.
10. The clearance between single wall pipe and unprotected combustible
material must not be less than 18" (see national building code and
NFPA 211) except: The distance between the vertical stove pipe and
the ceiling may be less than 18" and will be established by the finish
support.
11. Portions of the chimney which may extend through accessible spaces
shall be enclosed in all cases to avoid personal contact with the chimney
and damage to the chimney. When doing so on woodstove or coal
application, a telescopic or flexible Premium shield must be installed
(
see Figure 2
). Except for installation in single and two-story family
dwellings, the enclosure must have a fire resistance rating equal to
or greater than that of the floor or roof assemblies through which
they pass.
12. Do not fill the 2" space around the chimney with insulation or any
other material. Insulation placed in this area could cause adjacent
combustibles to overheat.
13. Self tapping screws are not required, but may be used to reinforce
the connection and avoid accidental unlocking of chimney lengths.
2 ft
MIN.
10 ft
3 ft
MIN.
2" MIN.
ENCLOSURE
2" MIN.
7 1/2"
MIN.
BASE TEE
* 18"
MINIMUM
* 18"
MINIMUM
* THE DISTANCE CAN BE REDUCED IF A
LISTED STOVE PIPE IS USED.
Figure 2
WARNING
The clearance between the chimney and combustible
material must not be less than 2", except where
established by the support. Do not fill this area with
insulation.
RADIATION
SHIELD
CONNECTOR
(DTC-RSCI)
STORM
COLLAR
(DTC-SC)
RADIATION
SHIELD
FIRESTOP
(DTC-FRSC)
SWIVEL
ADAPTOR
OPTIONAL
(DTC-SA)
PREMIUM SHIELD
(DTC-TRS or DTC-FLXS)
SUPPORT
(DTC-FSC
OR DTC-BS)