Hearth and Home Technologies CB4236MIR 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.

	8 ft
	(2.44 m)	Vertical
	Lowest
		wall
	Discharge
Termination	Opening
Cap
Storm Collar		X
		12
Roof
Flashing		Roof Pitch
		is X / 12

H (min.) - Minimum height

B-Vent Gas, Wood or Fuel

Oil Termination

			8 ft
		A	(2.44 m)
18 in.			(minimum) to
			Perpendicular
(457 mm)			Wall
	B		(BV only)
Gas
Termination

Termination Caps Staggered Height

A	Gas Termination	Wood or Fuel Oil Termination
B	6 in. (152 mm) min.	20 in. (508 mm) min.

B-Vent Gas, Wood or Fuel

Oil Termination

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

Wood, Gas or

Fuel Oil

Termination

20 in. min. *

(508 mm)

8 ft

(2.44 m)

(minimum) to Perpendicular Wall

(BV only)

Figure 6.1 Minimum Height From Roof To Lowest Discharge Opening

Termination Caps Same Height

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

Figure 6.2 Termination Cap Clearances

Heatilator • Caliber Mesh BV Series • 4040-848 Rev G • 10/08 21