Hearth and Home Technologies CD4236ILR Termination Locations, Vent Termination Minimum Clearances

6 Termination Locations

A. Vent Termination Minimum Clearances

WARNING

Fire Risk.

Maintain vent clearance to combustibles as specified.

• DO NOT pack air space with insulation or other materials.

Failure to keep insulation or other materials away from vent pipe may cause overheating and fire.

		Horizontal
		overhang
24 in. min.	20 in.
	(508 mm)
(610 mm)		Vertical
	Lowest
		wall
	Discharge
Termination	Opening
Cap
Storm Collar		X
		12
Roof
Flashing		Roof Pitch
		is X / 12

H (min.) - Minimum height from roof to lowest discharge opening.

Roof Pitch	H (Min.) Ft.		Roof Pitch	H (Min.) Ft.
Flat to 6/12		1.0*	Over 11/12 to 12/12		4.0
Over 6/12 to 7/12		1.25*	Over 12/12 to 14/12		5.0
Over 7/12 to 8/12		1.5*	Over 14/12 to 16/12		6.0
Over 8/12 to 9/12		2.0*	Over 16/12 to 18/12		7.0
Over 9/12 to 10/12		2.5	Over 18/12 to 20/12		7.5
Over 10/12 to 11/12		3.25	Over 20/12 to 21/12		8.0
	* 3 ft. minimum in snow regions

Figure 6.1 Minimum Height From Roof To Lowest Discharge Opening

A	B
6 in. (minimum) up to 20 in.	18 in. minimum
152 mm/508 mm	457 mm
20 in. and over	0 in. minimum
Gas, Wood or Fuel Oil
Termination Cap
		Wall
B	(2.44 m)	Perpendicular
	Minimum
	DV = 20 in.
A *	(508 mm)
	BV = 8 ft
Gas
Termination
Cap **

*If using decorative cap cover(s), this distance may need to be increased. Refer to the installation instructions supplied with the decorative cap cover.

**In a staggered installation with both gas and wood terminations, the wood termination cap must be higher than the gas termination cap.

Figure 6.2 Multiple Termination Caps

Heatilator • Caliber CD Series • 4040-263 Rev N • 11/08 21