FMI V368ST Quick start guide

For more information, visit www.fmiproducts.com

SAVE THIS BOOK

This book is valuable. In addition to instructing you

on how to install and maintain your appliance, it also

contains information that will enable you to obtain re-

placement parts or accessory items when needed. Keep

it with your other important papers.

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Z21.60, Z21.84 standards or for use with a vent-free gas

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etc.) should be contacted before installation to deter-

mine the need to obtain a permit.

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SEE-THRU WOOD BURNING FIREBOX

OWNER’S OPERATION AND INSTALLATION MANUAL

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PFS

USC

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installer or local distributor.

TABLE OF CONTENTS

Safety .................................................................. 2

Product Dimensions ............................................ 3

Firebox Installation .............................................. 4

Venting Installation .............................................. 6

Optional Gas Line Installation............................ 12

Operation and Maintenance Guidelines ............ 13

Technical Service............................................... 14

Replacement and Accessory Parts.................... 14

SAFETY

c. Installation and/or operation in a

manner other than instructed in this

manual.

d. The burning of any other fuel not tested

or approved by FMI PRODUCTS, LLC

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Proper installation is the most important step

in ensuring safe and continuous operation

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be required by code in your area, it must be

electrically grounded in accordance with lo-

cal codes or, in the absence of local codes,

with the National Electrical Code, ANSI/NFPA

70-1990.

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cordance with the National Fire Protection As-

sociation Standard for Chimneys, Fireplaces,

Vents and Solid-Fuel Burning Fireplaces,

NFPA 211, and in accordance with codes

such as the BOCA Basic/National Code, the

Standard Mechanical Code, and the Uniform

Building Code.

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less the manufacturer's instruc-

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for use with the insert.

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used as a substitute for a furnace

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supplemental heat only.

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approved for installation in either residential

homes or buildings of standard construction.

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of a FMI PRODUCTS, LLC 8" double wall,

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come in different styles. For more information

see Glass Doors, page 13).

The model’s serial number and any other

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opening.

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read these instructions through completely.

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its approved components are safe when

installed according to this installation

manual and operated as recommended

by FMI PRODUCTS, LLC. Use only FMI

PRODUCTS, LLC approved components,

which have been designed and tested for

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be voided by and FMI PRODUCTS, LLC

disclaims any responsibility for the follow-

ing actions.

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the components manufactured by FMI

PRODUCTS, LLC unless otherwise

permitted by FMI PRODUCTS, LLC.

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component part not approved by FMI

PRODUCTS, LLC in combination with

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55511F 3

SAFETY

Continued

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or any other appliance.

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appliance should be located

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furniture and draperies.

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the appliance.

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doors fully opened or fully closed

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only. When processed wood fuel

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stir the logs while they are burn-

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beenevaluatedfortheapplication

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warnings and caution markings

on packaging prior to use.

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should be alerted to the hazards of

high surface temperatures and to

stay away to avoid burns or cloth-

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becarefullysupervisedwheninthe

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Figure 1 - Dimensions

8" I.D.

LEFT SIDE

VIEW

FRONT VIEW

TOP VIEW

36 1/2"

20 1/2"

54"

24"

21 5/16"

42 5/8"

9 1/2"

19"

4 1/2"

12"

17 3/16"

12"

24"

11 1/4"

10 1/4"

37 1/2"

12 3/8"

O.D.

OUTSIDE AIR GAS LINE

16"

(40.6 cm)

1 1/2"

2 1/2"

15 1/2"

CONDUIT

(61 cm)

(15.2 cm)

(31.4 cm)

(20.3 cm) (6.4 cm)

(24.1 cm)

(108.3 cm)

(54.1 cm)

(39.4 cm)

(137.2 cm)

(52.1 cm)

(92.7cm)

(95.3 cm)

(61 cm)

(48.3 cm)

(11.4 cm)

(28.6 cm)

(30.5 cm)

(17.8 cm)

(26 cm)

(3.8 cm)

(30.4 cm)

(43.66 cm)

PRODUCT DIMENSIONS

www.fmiproducts.com 55511F4

FIREBOX INSTALLATION

Figure 2 - Common Location of Fireplace

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Adjacent wall 12" min.

Chimney outer pipe surfaces 2" min.

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lation or any other material.

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material must not be in contact

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the opening where actual heat output

may occur.)

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Woodwork such as wood trims, mantels or

any other combustible material projecting from

the front face must not be placed within 9" of

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Combustible materials above and projecting

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(see Figure 4, page 5) must not be placed less

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(NFPA STD 211, Sec. 7-3.3.3).

Mantels or any other combustible material

may also come up to the side edge of the

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projection from the front face falls within limits

shown in Figure 5, page 5.

Spacers on Sides of

Fireplace Provide

Required 1" (2.5cm)

Clearance

2" (5cm) Min. Clearance

From Pipe to

Combustibles

3" (7.6cm)

12" (30.4cm) Min. From Perpendicular

Side Wall to Fireplace Opening (Typ.)

Figure 3 - Firebox Clearances

Existing Wall

Projected Wall

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Perpendicular Wall

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consideration the following guidelines:

1. The location must allow for proper clear-

ances.

2. Consider a location where the heat output

will not be affected by drafts, air condition-

ing ducts, windows or doors.

3. A location that avoids the cutting of

joists or roof rafters will make installation

easier.

4. If an outside air kit is to be installed, ac-

cessibility to outside combustion air must

be considered. This can also be achieved

through a vented crawl space in some

cases (see Optional Outside Air Kit on

page 6).

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system other than a FMI PRODUCTS,

LLC chimney system.

6. Install in an area providing ventilation and

adequate combustion air.

7. Due to high temperatures, do not locate

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furniture or draperies.

8. Provide adequate clearances around

air openings into combustion chamber.

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9. Do not locate in or near an area where

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clear and free from these combustible

materials.

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projected installation which allows you to ex-

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A projection may be ideal for a new addition

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55511F 5

12 3/8" Dia.

(31.4 cm) Outer Pipe

2" (5.1 cm) Min.

Clearance From Outer

Pipes to Combustibles

1" (2.5 cm) Min.

To Combustibles

21 5/16"

(54 cm)

42 5/8"

(108 cm)

24"

(61 cm)

12"

(31 cm)

Figure 6 - Framing Clearances

Figure 7 - Framing Firebox with “Z” Type

Ember Protectors

FIREBOX INSTALLATION

Continued

As Required by Design as Long

as Ceiling Clearance Is Maintained

(136 cm) Min.

(113 cm)

Min.

Platform Must be

Solid, Flat and

Fully Supported

(58 cm)

"Z" Type

Ember Protector

(Not Supplied)

Figure 5 - Mantel Clearances to Metal

Face

Front

Face

Fireplace Front View

Fireplace Side View

3" Nom.

(7.6 cm)

9" Min.

(22.8 cm)

12" Min.

(30.4 cm)

33°

6" Nom.

(15.2 cm)

1 1/2" Max.

(3.8 cm)

Drywall

2" X 4" Stud

Combustible

Materials

Figure 4 - Mantel Clearances to

Combustible Materials

Seal Gaps with

Noncombustible

Mortar or Adhesive

Top View of Fireplace

Drywall

(Approx.)

(10.1 cm) 33°

Nom.

6" Nom.

(15.2 cm)

4 3/8"

Min.

(11.1 cm)

Combustible

Material Must

Not Overlap

Black Metal

Front Face

2 3/4" Max.

(6.98 cm)

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the dimensions shown in Figures 6 and 7

depending on your installation.

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carpeting, tile (other than ceramic) or any

combustible material other than wood

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metal or wood panel extending full width

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Figure 8 - Ember Protectors

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side framing.

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sheet metal if necessary.

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ing, ember protector (provided) must be

placed between hearth extension (not

supplied) and under bottom front edge of

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(see Figure 8 and Hearth Extensions on

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raised platform, a Z-type ember protector

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your required platform height (see Figure

7). The ember protector should be made

of sheet metal (28 gauge minimum) to

prevent corrosion.

6. Secure firebox to framing at nailing

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Figure 9, page 6).

Ember

Protector

(Typ. 2 of 2)

1/2"

(1.2 cm)

Max.

www.fmiproducts.com 55511F6

FIREBOX INSTALLATION

Continued

VENTING INSTALLATION

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The installation of an outside air kit should be per-

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to the nature of it’s location. Outside combustion air

is accessed through and exterior wall or a vented

crawl space (see Figure 12, page 7).

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must not terminate in attic

space.

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termination.

Avoid installing outside air eyebrow in areas

where inlet opening may be blocked by snow,

bushes or other obstacles. It should also be

located beyond the reach of small children.

For further details on installation of outside air

kit, please refer to instructions included with

air kit. For operating instructions, please refer

to your owner's manual.

8" Max.

“K” Facto

.84

1 1/2" Typ.

Noncombustible

Hearth

Extension

“Z” Type Ember

Protector

Noncombustible

Hearth Extension

Ember Protector

Figure 11 - Raised Hearth Extension

Figure 9 - Nailing Flanges

Nailing

Flanges

Prepared

Framing Nails or

Screws

1/2" (1.27 cm)

Minimum to

Combustibles

+($57+(;7(16,21

A hearth extension projecting a minimum of

16" in front of and a minimum of 8" beyond

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extension using a material which meets the

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bustible, inorganic material having a thermal

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less) at 1" thick. For example, if the material

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 

NONCOMBUSTIBLE

HEARTH EXTENSION

" MIN.

(133.3cm)

" MIN.

(92.7cm)

8" MIN.

(20.3cm)

16" MIN.

(40.6cm)

Figure 10 - Hearth Extension

Thermal conductivity "K" of materials can be

obtained from manufacturer or supplier of

noncombustible material.

If hearth extension is to be raised, a “Z” type

ember protector must be used (see Figure 7,

page 5, and Figure 11)

www.fmiproducts.com

55511F 7

Figure 13 - Pipe Connection

/,1($/*$,1

3$5712 '(6&5,37,21 *$,1

(V)(I)368ST See-Through 54

12-8DM Flue Pipe 5/8

18-8DM Flue Pipe 16 5/8

24-8DM Flue Pipe 23 5/8

36-8DM Flue Pipe 34 5/8

48-8DM Flue Pipe 46 5/8

RTL-8DM

RTTL-8DM

Round Top

Termination 6"

ETL-8M

ETO-8DM

ETLO-8DM

Econo-Top

Termination 1

" to 12"

Hemmed

End

8" Stainless

Inner Pipe

Lanced Side

12 3/8*DOYDQL]HG

Outer Pipe

Figure 12 - Outside Air Kit Installation

Secure to Collars with

Duct Tape or Screws

Air Inlet

Location

Must Allow

For Bushes

or Snow

Vent Hood

Required for

Wall Installation

Air Inlet

Termination

Vented Crawl Space

(Check Local Codes

Before Installing in a

Vented Crawl Space)

&+,01(<3,3(

The FMI PRODUCTS, LLC chimney system is

a snap-lock, double-wall pipe. It consists of a

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outer pipe and a wire spacer. Each section of

pipe comes in lengths of 12", 18", 36" and 48".

The actual lineal gain for each is measured

after each section is fully connected. Lineal

gain is the actual measurable length of a part

after two or more parts are connected.

3,3(,167$//$7,21

The pipe sections must be assembled indepen-

dently as the chimney is installed. When connect-

LQJFKLPQH\GLUHFWO\WRWKH¿UHER[WKHLQQHUÀXH

VENTING INSTALLATION

Continued

ing joist space. Their purpose is to establish

and maintain the required clearance between

the chimney and the combustible materials.

:KHQSHQHWUDWLQJDÀRRURUFHLOLQJDWDQDQJOH

XVH ¿UHVWRS VSDFHU QXPEHU )6'0 VHH

Replacement and Accessory Parts, page 14).

When the pipe passes through a framed open-

LQJLQWRDOLYLQJVSDFHDERYHWKH¿UHVWRSPXVW

be placed onto the ceiling from below as shown

in Figure 14, page 8. When the pipe passes

through a framed opening into an attic space

DERYHWKH¿UHVWRSPXVWEHSODFHGRQWKHDWWLF

ÀRRUDVVKRZQLQ)LJXUHSDJH

SLSHVHFWLRQPXVWEHLQVWDOOHG¿UVWZLWKWKHODQFHG

side up. The outer pipe section can then be in-

VWDOOHGRYHUWKHÀXHSLSHVHFWLRQZLWKWKHKHPPHG

end up. Press down on each pipe section until the

ODQFHVVHFXUHO\HQJDJHWKHKHPRQWKH¿UHER[

starter. The wire will assure the proper spacing

between the inner and outer pipe sections.

Continue to assemble chimney sections as

outlined above, making sure that both the inner

and outer pipe sections are locked together

(see Figure 13). When installing double wall

snap-lock chimney together, it is important to

assure the joint between the chimney sections

is locked. Check by pulling chimney upward

after locking. The chimney will not come apart

if properly locked. It is not necessary to add

screws to keep the chimney together.

),5(672363$&(56)6'0

Firestop spacers are required at each point

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:$51,1*7KHRSHQLQJLQWKH

collararoundthechimneyatthetop

RIWKH¿UHER[PXVWQRWEHREVWUXFW-

HG1HYHUXVHEORZQLQVXODWLRQWR

¿OOWKHFKLPQH\HQFORVXUH

www.fmiproducts.com 55511F8

2" (5.1cm)

Minimum

VENTING INSTALLATION

Continued

Figure 17 - Chimney Supports

Straps

2))6(7

5,6( &+,01(</(1*7+

A B 48"  18" 12"

" 16

" 25

"

" 34"

" 39

1 1

" 46"

" 48

1 2

" 54

"

1 1

" 63

1 1

" 69"

1 1

" 75

" 77

1 1 1

" 84

1 1

" 87

2 1

" 93

Figure 18 - Rise and Offset

Screws

Figure 14 - Firestop Spacer with Living

Space Above Ceiling

Figure 15 - Firestop Spacer with Attic

Space Above Ceiling

Existing

Ceiling

Frame

Firestop

Spacer

Screws or

Staples

(Min. of 8)

Firestop

Spacer

Screws or Staples

(Min. of 8)

Existing

Ceiling

Frame

2" (5.1cm)

Minimum

Angled Firestop

Ceiling

Support

Return

Elbow

30 FT.

(9.14m)

30 FT.

(9.14m)

Figure 16 - Elbow Offset

Return

Elbow

12S-8DM

Support

Required

68332576(&7,216

The chimney support section is a 4" strap

and 12" length of pipe. A chimney support is

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straight chimney run or above a return elbow

after a straight chimney run (see Figure 16).

This support is designed to relieve the extra

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chimneys are installed.

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Chimney weight above offset rests on return

elbow. Straps must be securely nailed to

rafters or joists (see Figure 17).

To achieve desired offset, you may install

combinations of 12", 18", 36" and 48" length

of double wall pipe (see offset chart and

Figure 18).

www.fmiproducts.com

55511F 9

TYPICAL OFFSET INSTALLATIONS

OFFSET

ELBOW

OFFSET

ELBOW

RETURN

ELBOW

OFFSET

ELBOW

RETURN

ELBOW

RETURN

ELBOW

RETURN

ELBOW

CEILING

SUPPORT

PIPE

V12S-8DM

6' MAX

(15.2cm)

6' MAX

(15.2cm)

6' MAX

(15.2cm)

6' MAX

(15.2cm)

6' MAX

(15.2cm)

6' MAX

(15.2cm)

MINIMUM

HEIGHT

15 FT.

(4.5m)

MAXIMUM

HEIGHT

CHASE

TERMINATION

40 FT.

(12m)

VENTING INSTALLATION

Continued

Figure 19 - Typical Offset Installations

Figure 20 - 10 Foot Rule

Figure 21 - Maximum Chimney Height

Storm

Collar

Flashing

Firestop

Spacer

RTL-8DM RTL-8DM ETL-8DM

)22758/(

All chimney terminations must extend a mini-

mum of 3 feet above the highest point where it

passes through the roof and must be at least 2

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VHH)LJXUH

IMPORTANT: If an exposed portion of chim-

ney is greater than 4 feet above the roof line,

use support wires to keep chimney secure.

Support wires may be attached to outer pipe

of chimney with screws, if screws do not

SHQHWUDWHLQQHUÀXHSLSH

0,1,0800$;,080&+,01(<

+(,*+7

The minimum height of the chimney (mea-

VXUHGIURPWKHEDVHRIWKH¿UHSODFHWRWKHÀXH

gas outlet-end of pipe) is 16 feet for a straight

Maximum length of pipe between supports

is 6 feet of angled run. A maximum of two 6

feet angled run sections per chimney system

(see Figure 19).

run, 16 feet minimum for a run with 1 elbow set

and 25 feet minimum for a run with 2 elbow

sets. (A set consists of one starter elbow and

one return elbow.)

Uncommon circumstances such as neigh-

boring hills, tall trees, or strong wind areas

can cause down drafts in chimney system.

In such cases, going beyond the minimum

recommended height would be preferable to

provide a better draw.

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UXQZLWKWKLV¿UHSODFHV\VWHPLVIHHWPHD-

VXUHGIURPERWWRPRI¿UHER[WRÀXHRXWOHWHQG

of pipe (see Figure 21).

www.fmiproducts.com 55511F

VENTING INSTALLATION

Continued

Nail Only

Outer

Perimeter

of Flashing

Storm

Collar

Flashing

Cone

Underlap

Shingles

at Bottom

Overlap

Shingles Top

and Sides Only

Figure 23 - Flashing Installation

3(1(75$7,1*522)

To maintain a 1" clearance to pipe on a roof with

a pitch, a rectangular opening must be cut.

1. Determine the center point through which

pipe will penetrate roof.

2. Determine center point of roof. Pitch is the

distance the roof drops over a given span,

usually 12". A 6/12 pitch means that the

roof drops 6" for each 12" one measure

KRUL]RQWDOO\GRZQIURPURRIUDIWHUV

3. Use roof opening chart (Figure 22) to

determine correct opening length and

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4. Remove shingles around opening mea-

sured. Cut out this section.

5. Add next sections of pipe until end

penetrates roof line. Check to see that

proper clearances are maintained. Extend

chimney by adding sections of double wall

SLSHXQWLOSLSHLVPLQLPXPRIDERYH

highest point of roof cutout. Termination

and chimney must extend a minimum of

36" above highest point where it passes

through the roof (see 10-Foot Rule and

)LJXUHSDJH

Figure 24 - Storm Collar

Chimney

Pipe

Waterproof

Caulk

Storm

Collar Flashing

)/$6+,1*,167$//$7,21

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LQJFKDUW6OLGHÀDVKLQJRYHUSLSHXQWLOEDVH

LVÀDWDJDLQVWURRI5HSODFHDVPDQ\VKLQJOHV

DVQHHGHGWRFRYHUH[SRVHGDUHDDQGÀDVKLQJ

base. Secure in position by nailing through

shingles (see Figure 23). '2 127 1$,/

7+528*+)/$6+,1*&21(

67250&2//$5,167$//$7,21

Place storm collar over pipe and slide down

until it is snug against the open edge of the

ÀDVKLQJ VHH )LJXUH $SSO\ ZDWHUSURRI

caulking to all seams and notches around

storm and also at base around shingles.

3LWFK Slope Opening

$0D[

8VHG)ODVKLQJ

0RGHO1R

Flat  19" V6F-8DM

  23.25" V6F-8DM

6/12-12/12   V12F-8DM

Figure 22 - Roof Opening Measurements

Opening

“A”

19" Min.

(48.26cm)

30" Min.

(76.2cm)

2" Min.

(5.08cm)

2" Min.

(5.08cm)

2" Min.

(5.08cm)

7(50,1$7,216

7KH¿UHER[V\VWHPPXVWEHWHUPLQDWHGZLWK

the listed round top or chase terminations. In

any case, refer to the installation instructions

supplied with the termination.

7HUPLQDWLRQVDSSURYHGIRUWKLV¿UHSODFHDUH

RTL-8DM and RTTL-8DM, which can be

XVHGIRUÀDVKLQJRUFKDVHDQG(72'0DQG

ETLO-8DM for chase style termination only.

Figure 25, page 11, shows a RTL-8DM round

top termination.

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LQJVRQURRIWRSÀDVKLQJ)ROORZ

installationinstructionsprovided

with termination being used.

This manual suits for next models

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