Lennox Hearth L20 DVF-2, L20 BF-2 manual Installation, Model #, Brand SECURITY / Description, Page

INSTALLATION

DIRECT VENT SYSTEM COMPONENTS – MODEL L20 DVF-2 ONLY

The following Direct-Vent system components may be safely used model L20 DVF-2.

Model #	Brand: SECURITY / Description	Model #	Brand: SIMPSON DURA-VENT / Description
SV 0 SHK	Standard Horizontal Term. Kit (90° Black Elbow, Firestop (2), Horizon-	970	Basic Horizontal Term. Kit (90° Black Elbow, Wall Thimble Cover,
	tal Square Term. Cap)		Horizontal Square Term. Cap)
SV 0 HK	Horizontal Term. Kit (90° Black Elbow, Firestop (2), Horizontal Term.	971	Horizontal Term. Kit A (90° Black Elbow, Wall Thimble Cover, Hori-
	Cap, adj. Black length 1-1/2 – 6”)		zontal Square Term. Cap, adj. 24” black pipe, 11-14 5/8” adj. Black
			pipe)
SV 0 FK	Vertical Flat Roof Term. Kit (w/flashing, storm collar, vertical Term.	973	Vertical Termination Kit
	Cap)
SV 0 FAK	Vertical pitched Roof Kit, 1/12-7/12 (with adjustable roof flashing,	978	Vertical Pitched Roof Kit, 0/12–6/12 (with adjustable flashing, storm
	storm collar, vertical termination cap)		collar, low profile term. Cap)
SV 0 FBK	Vertical pitched Roof Kit, 8/12-12/12 (with adjustable roof flashing,	N/A	N/A
	storm collar, vertical termination cap)
SV 0 L6	6” Pipe Length (Galvalume)		6” Pipe Length (Galvalume)
SV0 LB6	6” Pipe Length (Black)	908B	6” Pipe Length (Black)
SV 0	9” Pipe Length ( Black)	907B	9” Pipe Length ( Black)
SV 0 L12	12” Pipe Length (Galvalume)	906	12” Pipe Length (Galvanized)
SL 0 LB12	12” Pipe Length (Black)	906B	12” Pipe Length (Black)
SV 0 L24	24” Pipe Length (Galvalume)	904	24” Pipe Length (Galvanized)
SV 0 LB24	24” Pipe Length (Black)	904B	24” Pipe Length (Black)
SV 0 L36	36” Pipe Length (Galvalume)	903	36” Pipe Length (Galvanized)
SV 0 LB36	36” Pipe Length (Black)	903B	36” Pipe Length (Black)
SV 0 L48	48” Pipe Length (Galvalume)	902	48” Pipe Length (Galvanized)
SV 0 LB48	48” Pipe Length (Black)	902B	48” Pipe Length (Black)
N/A	N/A	911B	11”-14” Adj. Pipe Length (Black)
SV 0 LA	1 ½- 6” Adj. Pipe Length	N/A	N/A
SV 0 LBA	1 ½- 6” Adj. Black Pipe Length	N/A	N/A
SV 0 E45	45 Elbow (Galvalume)	945	45 Elbow (Galvanized)
SV 0 EB45	45 Elbow (Black)	945B	45 Elbow (Black)
SV 0 E90	90 Elbow (Galvalume Swivel)	990G	90 Elbow (Galvanized Swivel)
SV 0 EB90	90 Elbow (Black Swivel)	990BG	90 Elbow (Black Swivel)
SV 0	90 Elbow (Galvalume)	990	90 Elbow (Galvanized)
SV 0	90 Elbow (Black)	990B	90 Elbow (Black)
SV 0 CHC	⊕Horizontal Standard Term. Cap	984	⊕Horizontal Standard Term. Cap
SV 0 CHCV	⊕Horizontal High Wind Term. Cap	N/a	⊕Horizontal High Wind Term. Cap
SV 0 CPB	• Vertical Termination Cap	983	• Vertical Termination Cap
SV 0 CGV	• Vertical High Wind Cap	991	• Vertical High Wind Cap
SV 0 STC36	⊗Snorkel Termination Cap 36”	981	⊗Snorkel Termination Cap 36”
SV 0 STC14	⊗Snorkel Termination Cap 14”	982	⊗Snorkel Termination Cap 14”
SV 0	Vinyl Shield Protector	950	Vinyl Siding Standoff
SV 0 VS	Round Ceiling Support	940	Round Ceiling Support
	/WallThimble Cover		/WallThimble Cover
SV 0 CSB	Cathedral Ceiling Support Box, decorative square	941	Cathedral Ceiling Support Box
SV 0 SF	Black Plate,Decorative	N/A	N/A
SV 0	Round Ceiling Support Box/Wall	942	Round Ceiling Support Box/Wall
	Thimble		Thimble
SV 0	Storm Collar	953	Storm Collar
SV 0 RSM	Wall Radiation Shield	N/A	N/A
SV 0 BF	Firestop	N/A	N/A
N/A	N/A	963	Firestop Spacer
SV 0 F	Flashing, Flat Roof (storm collar included)
SV 0 FA	Flashing, Adjustable roof 1/12-7/12 (storm collar included)	943	Flashing 0/12-6/12
SV 0 FB	Flashing, Adjustable 8/12-12/12 (storm collar included)	943S	Flashing 7/12-12/12
SV 0 BM	Wall Band	988	Wall Strap

⊗Snorkel Caps: These are elongate vent termination caps, which incorporate the principles of natural draft into a horizontal installation. Two styles are common, 14” and 36” (Cap height). They enhance draft and relieve backpressure by creating natural draft in the snorkel.

⊕Horizontal Caps: This 13 ½” square horizontal cap is placed on the outer wall of the dwelling. Not to be within 9” of an air inlet or within 12” of the

ground. It requires a minimum 2’ rise on the interior pipe.

•Vertical Termination Cap: Low profile and high wind caps can only be used on vertical pipe installations.

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