Lennox Hearth VIN Vent Parts List, Security Secure Vent 6-5/8x 4 Pipe, Part Number Description

Vent Parts List

Direct vent pipe Security™ Secure Vent™ * may be used with the Vintage™ gas stove. Please see the lists below to verify the components available from each direct vent pipe manufacturer. Snorkel terminations are available for applications which may require vertical rise on the building exterior. The components listed below come in a galvanized finish. Most of the components are also available in a painted black finish. Add a “B” to the end of the part number when ordering if a black part is desired.

Security™ Secure Vent 6-5/8”x 4” Pipe

Part Number	Description
SV4LC	6” Pipe Length
SV4L12	12” Pipe Length
SV4L24	24” Pipe Length
SV4L36	36” Pipe Length
SV4L48	48” Pipe Length
SV4LA	6” Pipe, Adjustable
SV4LA12 12” Pipe, Adjustable
SV4FA	Flashing, 1/12 to 6/12 Roof Pitch
SV4FB	Flashing, 7/12 to 12/12 Roof Pitch
SV4RSM	Wall Radiation Shield
SV4E46	45º Elbow
SV4E90	90º Elbow
SV4VS	Vinyl Shield Protector
SV4FC	Storm Collar
SV4CGV	Vertical Termination Cap
SV4BF	Firestop
SV4CHC	Horizontal Termination Cap
SV4STC36	Snorkel Termination Cap (36”)
SV4STC14	Snorkel Termination Cap (14”)
SV4BM	Wall Band
Simpson Dura-Vent GS 6-5/8”x 4” Pipe
Part Number	Description
908	6” Pipe Length
907	9” Pipe Length
906	12” Pipe Length
904	24” Pipe Length
903	36” Pipe Length
902	48” Pipe Length
911	11” to 14-5/8” Pipe, Adjustable
942	Wall Thimble
940	Rnd Support Box/Wall Thimble Cover
941	Cathedral Ceiling Support Box
943	Flashing, 0/12 to 6/12 Roof Pitch
943S	Flashing, 7/12 to 12/12 Roof Pitch
945	45º Elbow
990	90º Elbow
950	Vinyl Siding Standoff
953	Storm Collar
963	Ceiling Firestop
988	Wall Strap
981	Snorkel Termination (36”)
982	Snorkel Termination (14”)
984	Horizontal Termination Cap
985	Horizontal Termination Cap (High Wind)
980	Vertical Termination Cap
991	Vertical Termination Cap (High Wind)

Horizontal Vent Installation

Venting terminals may not be recessed into a wall or siding.

1.Set the unit in the desired location. Check whether or not wall studs are in the way when the venting system is attached. If wall studs are in the way, you may want to adjust the location of the unit.

2.Any stove that is horizontally terminated and has a vertical section of pipe off the top of the stove, that first section of pipe must be a minimum of 18” long.

3.All horizontally terminated vent installations may only use 6-5/8”x 4” Security™ Secure Vent pipe*.

4.Assemble the desired combination of pipe and elbow(s) to the appli- ance adapter with pipe seams facing down. Offsetting the pipe seams as double seams in one place will cause the outer pipe to take an oval shape.

5.When this pipe passes through a wall, a wall thimble - Simpson #942 or Security™ #SV4RSM - is required. The hole in the wall for the wall thimble should be 9-1/4”x 10-1/4”. If the wall being penetrated is constructed of non-combustible material (i.e. masonry block or concrete), a 7” diameter hole is acceptable and a wall thimble is not required.

6.Horizontal runs of vent pipe must be supported every 3 feet. Wall straps - Simpson #988 or Security™ #SV4BM - are available for this purpose.

7.If the vent passes through a ceiling or floor, a firestop - Simpson #963 or Security™ #SV4BF - is required.

8.Also note that venting terminals shall not be recessed into a wall or siding. If installing the termination cap on a wall covered with vinyl siding, a vinyl siding standoff - Simpson #950 or Security™ #SV4VS - or furring strips must be used to ensure that the termination cap is not recessed into the siding.

9.The horizontal run of vent should have a 1/4” rise for every 12” of run toward the termination. Never allow the vent to run downward. This

could cause high temperatures and may present the possibility of a fire.

10.If the wall being penetrated is constructed of noncombustible material, such as masonry block or concrete, an 7” diameter hole is acceptable and a wall thimble is not required..

11.The location of the horizontal vent termination on an exterior wall must meet all local and national building codes and must not be blocked or obstructed. For allowable external vent termination locations (see Page 15).

12.Allowable clearances from the vent pipe to combustible materials must be maintained. See Page 6 for these clearances.

13.Do not locate the termination cap where it may be blocked by shrub- bery or snow.

* Other approved chimney brand is Simpson Dura-Vent DV-GS.

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

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