Installation and operation instructions manual [PDF] (20 pages)
- Updated: 12.08.2026
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A MAJOR CAUSE OF CHIMNEY RELATED FIRES IS FAILURE TO MAINTAIN REQUIRED
CLEARANCE (AIR SPACE) TO COMBUSTIBLE MATERIALS. IT IS OF UTMOST IMPOR-
TANCE THAT THIS CHIMNEY BE INSTALLED ONLY IN ACCORDANCE WITH THESE
INSTRUCTIONS.
CHIMNEY TYPE:
Type "A" factory-built chimney suitable for venting negative or neutral draft
(non-pressurized) appliances including boilers, building heating equip-
ment, fireplaces and stoves. RIS has been designed, tested, and listed to
vent large wood burning fireplaces and to extend masonry chimneys. RIS
is listed to the UL 103HT standard for use in the USA. Note for customers
in Canada: Model RIS is not certified to the ULC S-629 Standard.
SIZE:
6" - 24" Chimney
Use only factory supplied components. Failure to do so will void the certification
and the warranty of this chimney.
If possible, install the chimney on the interior of the building as it will provide better per-
formance than an exterior chimney. In areas with continuous temperatures below 0°F
the use of an exterior chimney may result in operating problems such as poor draft and
excessive condensation of combustion products. If you do install an exterior chimney,
we recommend that you install it within an insulated enclosure.
Read these instructions and keep them for future reference. Contact local build-
ing or fire officials about restrictions and installation inspection in your area.
RIS has been tested and listed to the UL 103HT chimney
standard by Warnock Hersey - Intertek Testing Services
Listing # 50195-C7-704800
ICC INDUSTRIAL CHIMNEY COMPANY INC.
ST-JEROME, QUÉBEC, CANADA, J7Y 4B7
TEL: (450) 565-6336 • FAX: (450)565-6519
INSTALLATION AND OPERATION INSTRUCTIONS
"RIS"
RIS_03-06
Contents
TECHNICAL SPECIFICATIONS.............................................................................
Materials..................................................................................................................
Allowable Flue Gas Temperatures..........................................................................
Clearances..............................................................................................................
RIS DIMENSIONS AND CAPACITIES...................................................................
GENERAL INSTALLATION NOTES.......................................................................
Chimney Cleaning....................................................................................................
Chimney Sizing........................................................................................................
Recommended Flue Height.....................................................................................
Earthquake Damaged Chimneys.............................................................................
Local Requirements.................................................................................................
INSTALLATION INSTRUCTIONS...........................................................................
Chimney Lengths.....................................................................................................
Adjustable Length....................................................................................................
Anchor Plate............................................................................................................
Boiler Applications...................................................................................................
Using an anchor plate to extend an existing masonry chimney..............................
CHIMNEY EXTENSIONS........................................................................................
TYPICAL SITE BUILT.............................................................................................
Extending a masonry chimney lined with a metal chimney liner.............................
Masonry Transitions.................................................................................................
Fireplace Applications..............................................................................................
RIS Minium Rough Opening Dimensions................................................................
Floor or Base Support..............................................................................................
Wall Support.............................................................................................................
Through the Wall Installation - Wall Support and Wall Radiation Shield.................
Round and Square Support.....................................................................................
Attic and Roof Area..................................................................................................
Elbows......................................................................................................................
Wall Band.................................................................................................................
Guy Band.................................................................................................................
Radiation Shield.......................................................................................................
Rain Caps................................................................................................................
After market chimney top devices...........................................................................
PART DESCRIPTIONS...........................................................................................
RIS OFFSET TABLES............................................................................................
WARRANTY............................................................................................................
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RIS Owner's Manual
ICC Chimney
2
TECHNICAL SPECIFICATIONS
MATERIALS:
CASING:
Standard: Type 304 Stainless Steel
Optional: Galvalume, Type 430, 444 or 316 Stainless
FLUE:
Standard: Type 304 Stainless Steel
Optional: Type 444 or 316 Stainless Steel
INSULATION: "THERMOPLUS" HIGH TEMPERATURE MINERAL FIBRE
SIZE:
6" TO 24" Inside Diameter
ALLOWABLE FLUE GAS TEMPERATURES:
Maximum Continuous:
1000°F
Brief Forced Firing:
1400°F
Tested To: (3 X 10 min.)
2100°F
CLEARANCES:
To Combustible Materials:
2" Air Space Minimum
To Non-Combustible Materials:
No Clearance Required
NOTE:
NFPA 211 requires that all chimneys used on solid fuel
residential applications to be listed to UL 103HT
RIS Owner's Manual
ICC Chimney
3
RIS DIMENSIONS AND CAPACITIES
RIS Minimum Rough Opening Dimensions
Diameter
6
7
8
10
12
14
16
18
20
Combustible Wall,
Floor or Roof
Non-Combustible
Wall, Floor or Roof
Hole
Size
(in.)
12
9
13
10
14
11
16
13
18
15
20
17
22
19
24
21
26
23
28
25
30
27
22
24
RIS Vertical capacity Table
Size
6”
7”
8”
10”
12”
14”
16”
18”
20”
Anchor Plate
Floor Support
Wall Support
Offset Support
Roof Support
Insulated Tee
Chimney Length
Adjustable Length
186’
186’
150’
55’
55’
65’
186’
166’
166’
130’
50’
50’
61’
166’
146’
146’
118’
45’
45’
57’
146’
120’
120’
97’
40’
40’
53’
120’
102’
102’
82’
35’
35’
45’
102’
89’
89’
72’
30’
30’
39’
89’
78’
78’
63’
25’
25’
35’
78’
70’
70’
57’
20’
20’
31’
70’
64’
64’
51’
20’
20’
28’
64’
58’
58’
47’
20’
20’
26’
58’
53’
53’
43’
20’
20’
23’
53’
22”
24”
RIS Chimney Dimensions
Diameter
OD
lbs/ft.
6”
7”
8”
10”
12”
14”
16”
18”
20”
22”
24”
8¼
9¼
10¼
12¼
14¼
16¼
18¼
20¼
22¼
24¼
26¼
3.8
4.4
4.8
5.9
6.9
7.9
9
13
14.3
15.7
17
Nominal Length
Installed Length
48”
46¼”
24”
22¼”
24” adjustable
13½” - 24”
12”
10¼”
12” adjustable
7½” - 12”
RIS Owner's Manual
ICC Chimney
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