Heatiator GB4336 owner manual 4Termination Locations, A. Vent Termination Minimum Clearances

4Termination Locations

A. Vent Termination Minimum Clearances

Figure 4.1 specifi es minimum vent heights for various pitched roofs.

8 ft
(2.44 mm)	Vertical
Lowest
	wall
Discharge
Opening
Termination
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

WARNING

Fire Risk

Explosion Risk

Maintain vent clearance to combustibles as specifi ed.

•Do not pack air space with insulation or other materials.

Failure to keep insulation or other materials away from vent pipe may cause fi re.

Gas, Wood or Fuel

Oil Termination

		8 ft
		(2.44 m)
	18 in.	(minimum) to
		Perpendicular
	(457 mm)	Wall
		(gas only)
		A
Gas
Termination
	Gas Termination	Wood & Fuel Oil Termination
A	6 in. (152 mm)	20 in. (508 mm)

Figure 4.2 Multiple Vertical Termination

Figure 4.1 Minimum Height from Roof to Lowest Discharge Opening

12 Heatilator • GB4336/GB4992 • 4003-085 Rev H • 04/06