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FMI ETL-8HT, ET-8DM, ET-8DM-K, ET-8HT, ETL-10D, ETL-10DMP, ETL-8DM, ETL-8DM-K, ETLO-8DM, ETO-8DM Operating instructions

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107456 01
Square Top TerminaTionS
INSTALLATION INSTRUCTIONS
ET-8DM(HT), ETO-8DM, ETL-8DM(HT), ETLO-8DM AND ETL-10D
1. Construct chase as illustrated in Figure 1.
Note: The shortest vertical side must be at least 30" high
and the minimum inside dimension must be at least “Y”
(as shown in Figure 5).
2. Add pipe sections to chimney system as outlined in the
replace installation instructions until last piece of chimney
is a maximum of 12" below top of chase (see Figure 1).
3. Fabricate a ashing having an “X” (see Figure 5) diameter
hole centered over the chimney end with a 2" collar around
the hole (see Figure 2). Attach noncombustible spacers at
each corner and place the ashing over the chase.
4. Secure ashing through sides with 8-penny nails or sheet
rock screws.
5. Place galvanized sleeve through hole in ashing and
around last section of chimney (see Figure 3).
Figure 1 - Constructing Chase
Figure 2 - Constructing Chase Top Flashing
Figure 3 - Installing Termination Cap
Figure 4 - Securing Termination to Chase Top Flashing with
Sheet Metal Screws
As Required
28 Gauge Galvanized Steel
2" Collar
1" Noncombustible Spacer
Chase Top
Chase Facia
10 Foot Rule
The chimney ue gas outlet of the termination must be a
minimum distance of 3 feet above the highest point where the
pipe penetrates the roof, and must be a minimum distance of
2 feet above the highest point of the roof within a horizontal
distance of 10 feet (see Figure 6).
Termination Cap
1" Spacer
Note: Do Not
Seal Ventilation
Openings.
Screw
Galvanized
Sleeve
NOT A UPC
Figure 5 - Dimensions Chart
Figure 6 - 10 Foot Rule
Level of Flue
Gas Outlet
3' Min.
10'
or Less
2' Min.
Termination X Y Z
10" System 16.5" 17" 1"
10" System 16.5" 19" 2"
8" System 14" 14.5" 1"
8" System 14" 16.5" 2"
Termination
“X” Diameter
Sheet Metal Screw
IMPORTANT: Please refer to your product manual for specied
clearances.
107456-01
Rev. F
11/07
DESA Heating, LLC
2701 Industrial Drive
Bowling Green, KY 42101
www.desatech.com
1-866-672-6040
Note: Do Not
Seal Ventilation
Openings.
1" Space
1/4" Screen
6. Place termination cap over opening and slip the stain-
less steel inner pipe into stainless steel chimney section.
Lower termination assembly until cap rests evenly over
ashing hole. Secure cap at each corner with sheet metal
screws (see Figure 4).
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