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118116-01D

6

Figure 6 - Lineal Gain

LINEAL GAIN

PART NO.

DESCRIPTION

GAIN

48" Plantation

Fireplace

66 

1

/

2

"

12-12DM

12-12HT

Pipe Section

10 

5

/

8

"

18-12DM

18-12HT

Pipe Section

16 

5

/

8

"

24-12DM

24-12HT

Pipe Section

23 

5

/

8

"

36-12DM

36-12HT

Pipe Section

34 

5

/

8

"

48-12DM

48-12HT

Pipe Section

46 

5

/

8

"

RLT-12D

RLT-12HT

Round 

Termination

3

/

4

"*

STL-12D

Square Chase Top 

with Slip Section

7" to 15"*

* The lineal gain for the terminations is mea-

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Hemmed 
End

12 

3

/

8

Stainless 
Inner Pipe

*DOYDQL]HG

Outer Pipe

ASSEMBLY AND INSTALLATION OF 
DOUBLE WALL CHIMNEY SYSTEM

Each double wall chimney section consists of a 

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pipe and a wire spacer. The pipe sections must 
be assembled independently as the chimney is 
installed. When connecting chimney directly to 

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hemmed  end  up.  Press  down  on  each  pipe 
section until lances securely engage the hem on 

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-

ing between inner and outer pipe sections.
Continue  to  assemble  chimney  sections  as 
outlined  above,  making  sure  that  both  inner 
and outer pipe sections are locked together. 
When  installing  double  wall  snap-lock  chim-
ney together, it is important to assure the joint 
between chimney sections is locked. Check by 
pulling chimney upward after locking. Chimney 
will not come apart if properly locked. It is not 
necessary  to  add  screws  to  keep  chimney 
together (exception, see Figure 9, page 8).

Figure 5 - Outside Air Kit

Secure to Collars with Metal Tape, 
Screws or Straps (Min. of 1/4" x 20" 

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Air Inlet 
Location 
Must Allow 
For Bushes 
or Snow

Vent Hood 
Required for 
Wall Installation

Air Inlet 
Eyebrow

Vented Crawl Space
(Check Local Codes 
Before Installing in a 
Vented Crawl Space)

  CAUTION:  Combustion  air 

inlet  ducts  shall  not  terminate 
in attic space.

VENTING INSTALLATION

Continued

CHIMNEY PIPE

The  DESA  Heating,  LLC  chimney  system 

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lock,  double-wall  pipe  segments,  planned 
for  maximum  adaptability  to  individual  site 
requirements. Actual  lengths  gained  after 

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-

ation (lineal gain) and are given in the lineal 
gain chart (see Figure 6). Lineal gain is the 
actual measurable length of a part after two or 
more parts are connected. For Canada, use 
chimney parts designated "HT".

  WARNING:  The  opening  in 

the collar around the chimney at 

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be obstructed. Never use blown 

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enclosure.

Summary of Contents for F48H

Page 1: ...YHQWHG JDV ORJ DSSURYHG WR ANS Z21 60 Z21 84 or RGA 2 72 standards or for use with a vent free gas log heater approved toANS Z21 11 2 standard 7KLV ZRRG EXUQLQJ UHSODFH FRPSOLHV ZLWK 8 CAN ULS S610 M8...

Page 2: ...re beginning the installation of the fireplace read these instructions through completely 7KLV 6 HDWLQJ UHSODFH DQG LWV components are safe when installed accord ing to this installation manual Unless...

Page 3: ...Straps Provided Hearth Spacer Required for Combustible Floor 0 to Bottom 12 Min Each Side Hearth Extension 72 X 20 Outside Air Access Location 1 5 Airspace Back and Sides 2 Chimney Airspace Clearance...

Page 4: ...per clear ances see Figures 1 and 2 RQVLGHU D ORFDWLRQ ZKHUH WKH UHSODFH will not be affected by drafts air condition ing ducts windows or doors 3 A location that avoids the cutting of joists or roof...

Page 5: ...Fireplace Front Elevated Ember Protector Ember Protector Seal Gap Hearth Extension 51 1 HDUWK H WHQVLRQ is to be installed only as shown in Figure 3 MANTELS A mantel may be installed if desired see F...

Page 6: ...ined above making sure that both inner and outer pipe sections are locked together When installing double wall snap lock chim ney together it is important to assure the joint between chimney sections...

Page 7: ...sts on return elbow Straps must be securely nailed to rafters or joists see Figure 8 details A and B 3 Maximum length of pipe between supports UHWXUQ HOERZ RU 6 0 LV RI DQJOH UXQ 0D LPXP RI WZR DQJOH...

Page 8: ...Min of 8 PENETRATING THE ROOF To maintain a 2 clearance to the pipe on a roof with a pitch a rectangular opening must be cut 1 Determine center point through which pipe will penetrate roof 2 Determine...

Page 9: ...e Figure 14 Apply waterproof caulk around perimeter of collar to provide a proper seal Figure 14 Storm Collar Chimney Pipe Waterproof Caulk Storm Collar Flashing Terminations Spark Arrestor 7KH UHSODF...

Page 10: ...10 Foot Rule Seal Opening with Refractory Cement Outside of Fireplace Gas Line Conduit Repack Insulation Incoming 1 2 Black Iron Pipe Side Firebrick Finished Side Provide Enough Threaded End for Fitt...

Page 11: ...l ignite if heavily heated WARNING When using a decorative vented gas log the damper must be removed or permanently locked in the fully open position and the glass doors must be in the fully open posi...

Page 12: ...F U L L F U L L F U L L F U L L F U L L F U L L F U L L F U L L F U L L F U L L F U L L F U L L F U L L F U L L F U L L F U L L F U L L F U L L F U L L F U L L F U L L F U L L F U L L F U L L F U L L...

Page 13: ...3 1 1 1 1 1 1 1 1 Box 5 Right 1 1 1 TOTAL 1 1 1 3 1 1 1 1 1 1 1 1 HERRINGBONE BRICK MATRIX BRICK MATRIX Continued BRICK MATRIX PAN PAO PAP PB PC PD PE PF PG PH PJ PK Box 1 Hearth Box 2 Rear Lower 8 2...

Page 14: ...towel over bucket making sure it is directly on the surface of grout mixture This will keep mixture moist and it will not dry out before use 5 Begin grouting by first doing a Filler 3DVV 7KLV LV GRQH...

Page 15: ...op door rail Door is installed when top door pin snaps into spring clip see Figure 25 page 16 2 Repeat step 1 for remaining door I RX QG GRRUV GR QRW FORVH SURSHUO RU GR not appear level or straight p...

Page 16: ...GRRUV RSHU DWHV PXFK GLIIHUHQWO WKDQ D UHSODFH ZLWK DQ RSHQ IURQW UHSODFH ZLWK JODVV GRRUV KDV D limited amount of air for combustion FHVVLYH KHDW ZLWKLQ UHSODFH FDQ UHVXOW LI WRR ODUJH D UH LV EXLOW...

Page 17: ...r unvented room heaters ANSI Z21 11 2 are WR EH LQVWDOOHG LQ WKLV UHSODFH DAMPER HANDLE OPERATION The damper handle opens and closes the damper blade and is located in the upper rear VLGH RI UHSODFH M...

Page 18: ...DM 24 12DM 36 12DM 48 12DM 12 12HT 18 12HT 24 12HT 36 12HT and 48 12HT 30 OFFSET AND RETURN 30E 12DM and 30E 12HT GRATE 109496 01 Model GM50 EMBER PROTECTOR EP36 OPTIONAL OUTSIDE AIR KIT FOR FLOOR INS...

Page 19: ...ERVICE OPTIONAL ASH LIP KIT BRICKS AL48 OPTIONAL HEARTH SPACER HS48 24 ROUND WOODNOOK DHR 24 You may have further questions about installa tion operation or troubleshooting If so con tact DESA Heating...

Page 20: ...NOT A UPC 118116 01 Rev D 10 07 118116 01 DESA Heating LLC 2701 Industrial Drive P O Box 90004 Bowling Green KY 42102 9004 www desatech com 1 866 672 6040...

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