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7

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

D. Install Firestop/Spacers at ceilings and walls - 

  

When Secure Flex penetrates a wall or ceiling, 

a firestop/spacer is required: use the SF4.5 VF 

firestop/spacer for ceilings and the SF4.5 HF 

firestop/spacer for walls. See the appropriate 

sections and figures shown throughout the vent-

ing section for their installation requirements. 

E. Attach Flex Vent to Termination -

  

Secure Flex

 components can be purchased 

separately and attached to bulk lengths of 

Se-

cure Flex

 flexible tubing cut to size at the job 

site.   Secure the flexible vent to the 

Secure Flex

 

terminations in the same manner 

(see

 

Figure 

14

as it was attached to the adaptor.

NOTE: Secure Flex vent must be attached 

to Secure Flex terminations only.  DO NOT 

substitute Secure Vent terminations or the 

Secure Vent adaptor for Secure Flex compo-

nents. The collars of Secure Flex terminations 

and adaptors have a different circumference 

than that used with the Secure Vent pipe.  

Additionally, Secure Flex components have 

an extended length center tube for use in 

attaching the flexible vent.

5" (127 mm)

Radius Minimum

SF-12 or SF-18 Flexible Vent Section

GEAR

CLAMPS

Adaptor

(SV4.5RF)

Apply  ONLY  MIL-PAC  BLACK  HIGH

TEMPERATURE SEALANT (Catalog No.

10K81) to the outside surface of both

collars of the adaptor (be especially

careful to fill the grooves of the outer

collar to be covered by the flexible

pipe)  and  slide  flexible  pipe  over

inner  and  outer  adaptor  collars.

NOTE:  OUTER PIPE IS PULLED AWAY TO

SHOW THE DETAIL OF THE INNER PIPE

FLEX VENT

1-3/4” (44 mm)

Flexible Pipe and

 Adaptor Outer

Collar Overlap

1-3/4” (44 mm)

Flexible Pipe and

 Adaptor Inner

Collar Overlap

SECURING SCREW

(3 PLACES EQUALLY SPACED

JUST BELOW GEAR CLAMP)

Attach Adaptor to Appliance

Collar, or Secure Vent Sections

SECURING SCREW

(3 PLACES EQUALLY SPACED

JUST BELOW GEAR CLAMP)

Figure 15 

Figure 14

VERTICAL OR HORIZONTAL VENTING USING 

SECURE FLEX

®

 KITS AND COMPONENTS

Secure Flex

®

 venting kits and components may 

be used in any venting application where rigid 

Secure Vent

®

 (SV4.5) direct vent components 

can be used.  All restrictions, clearances and 

allowances that pertain to the rigid piping apply 

to the flexible venting.  

Secure Flex

 kits may 

not be modified; also, under no circumstances 

may separate sections of flex pipe  be joined 

together

Secure Flex

 kits may be added to 

the end of a vent run made up of rigid 

Secure 

Vent

 (SV4.5) vent sections provided that doing 

so does not violate any of the venting length, 

height, routing, horizontal to vertical ratio re-

quirements or clearance considerations detailed 

in this manual.

Secure Flex

 kits come with an included adaptor 

that can be fitted to the appliance collar or the 

inclined channel end of the last 

Secure Vent

 

(SV4.5) vent section in a rigid system in the 

exact same fashion as any other 

Secure Vent 

section.  Align the dimpled end of the adaptor 

over the previously installed section or appliance 

collar, adjusting the radial alignment until the 

four locking dimples of the adaptor are aligned 

with the inlets of the four incline channels of 

the last vent section or collar.  Push on the 

adaptor until it fully engages, then twist the 

adaptor clockwise running the dimples down 

and along the incline channels until they seat 

at the end of the channels.

Attach the flexible vent to the adaptor as fol-

lows (see also

 Figure 14):

A. Install the Inner Flex Pipe - 

1.

  Install the small  gear clamp loosely around 

the inner flexible vent pipe, push it back out 

of the way.

2.

  Apply a bead of 

Mill-Pac Black (700°F) high 

temperature sealant - Catalog No. 10K81)

 

to the inner adaptor collar, approximately 1/2

 

inch from the end.

3.

  Pull and extend the inner flexible vent pipe. 

4.

  Slide the inner flex pipe over the adaptor col-

lar. Ensure the flexible vent pipe completely 

engages the adaptor collar to a distance of 

1-3/4

  

inches from the end, and that it is free 

from damage or tears. 

5

.  Slide the gear clamp down and tighten it fully 

to secure the flexible vent to the adaptor inner 

collar approximately 3/4

 

inch from the end of 

the flex.

6

. Install 

three screws 120 degrees apart

 

through the flexible vent pipe and into the 

adaptor collar just below the gear clamp to 

provide additional security to the connection.

B. Install the Outer Flex Pipe - 

1.

 Install the large gear clamp loosely around 

the outer flexible vent pipe, push it back out 

of the way.

2.

  Apply a bead of 

Mill-Pac Black (700°F) high 

temperature sealant - Catalog No. 10K81)

 

to the outer adaptor collar; to the grooves of 

the collar which extend approximately 1" from 

the end and to the flat surface, approximately 

1-3/8"

 

from the end. 

3.

 Pull and extend the outer flexible vent pipe. 

4.

  Slide the outer flex pipe over the adaptor col-

lar. Ensure the flexible vent pipe completely 

engages the adaptor collar to a distance of 

1-3/4

 

inches from the end, and that it is free 

from damage or tears. 

5

. Slide the gear clamp down and tighten it 

fully to secure the flexible vent to the adaptor 

outer collar approximately 3/4

 

inch from the 

end of the flex.

6.

 Install 

three screws 120 degrees apart

 

through the flexible vent pipe and into the 

adaptor collar just below the gear clamp to 

provide additional security to the connection.

C. Route Flex Vent - 

  

Ensure that the flex vent is properly routed to 

provide the required clearance.  Do Not allow 

the flexible vent to bend in a radius tighter than 

5" (127 mm).  Refer to 

Figure 15

. Support 

horizontal sections of flex with metal straps at 

2 foot (0.61 m) intervals. 

f i r e - p a r t s . c o m

Summary of Contents for SF-HTSS Series

Page 1: ...os35ST PF Gemini40 45 Libra40 ST PF CR CL Scorpio 35 40 45 ScorpioCD 35 40 45 MHD40 MPD Pro MPD40 45 MPD4035 4540 MPD35ST PF Rhapsody 54 Sirius54 Spectra EDV ELDV and EDVST PF CR CL series gas fireplaces The terminations covered by this document seamlessly integrate with all the other components of the above mentioned fireplaces approved for use with these terminations and when installed in accord...

Page 2: ...ples down and along the incline channels until they seat at the end of the channels F Install firestop spacer at ceiling WhenusingSecureVent useSV4 5VFfirestop spacer at ceiling joists when using Secure Flex use SF4 5VF firestop spacer If there is livingspaceabovetheceilinglevel thefirestop spacer must be installed on the bottom side of the ceiling If attic space is above the ceiling the firestop ...

Page 3: ... in catching the mating pipe when inserting the termination L Install Firestop Spacer at exterior wall When using either of the square termina tions installSV4 5HF SecureVent orSF4 5HF Secure Flex firestop spacer over the opening at the exterior side of the framing long side up withthe3 spacerclearanceatthetopasshown in Figure 3 and nail into place The Firestop Spacer may be installed over the ope...

Page 4: ... When using Secure flex use Firestop Spacer SF4 5HF NOTE To prevent water infiltration in wet environments we recommend the use of a silicone sealant between the termination and the wall Refer to Figure 4 and Figure 5 Venting Components Required for Various exterior Wall Thicknesses When Using the Small Square Termination SV4 5HTSS Vent Components Required Exterior Wall Thickness inches mm Termina...

Page 5: ...4 5HF A E L B A T w o b l e e e r g e d 0 9 e n 0 V x a M m 4 1 9 0 t e e f 3 H E L B A T B m u m i n i M V m u m i x a M H t e e f m t e e f m 1 5 0 3 0 5 2 5 1 2 1 6 0 0 1 1 3 3 4 1 9 0 5 1 5 6 4 4 2 2 1 0 2 2 6 x a M m 4 2 1 t e e f 0 4 H V x a M m 2 6 t e e f 0 2 H H V Wall Firestop Spacer SV4 5HF Ceiling Firestop Spacer SV4 5VF When using Secure Flex use Wall Firestop Spacer SF4 5HF When usin...

Page 6: ...e f 8 H H H 1 H 2 x a M m 2 6 t e e f 0 2 V H Ceiling Firestop Spacer SV4 5VF Wall Firestop Spacer SV4 5HF When using Secure Flex use Wall Firestop Spacer SF4 5HF When using Secure Flex use Ceiling Firestop Spacer SF4 5VF H2 H1 F E L B A T V M M U M I N I H m u m i x a M t e e f m t e e f m 1 5 0 3 0 5 2 5 1 2 0 1 6 0 0 1 1 3 3 4 1 9 0 5 1 5 6 4 4 2 2 1 0 2 2 6 H H 1 x a M m 2 6 t e e f 0 2 V V 1 ...

Page 7: ...mewithanincludedadaptor that can be fitted to the appliance collar or the inclined channel end of the last Secure Vent SV4 5 vent section in a rigid system in the exact same fashion as any other Secure Vent section Align the dimpled end of the adaptor overthepreviouslyinstalledsectionorappliance collar adjusting the radial alignment until the four locking dimples of the adaptor are aligned with th...

Page 8: ...P reserves the right to make changes at any time without notice in design materials specifications prices and also to discontinue colors styles and products Consult your local distributor for fireplace code information 1769 East Lawrence Street Russellville AL 35654 fire parts com ...

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