Hearth and Home Technologies VRT-GR-B-CE 4Termination Locations, Fire Risk. Explosion Risk, 1.22

4Termination Locations

A. Flue Termination Minimum Clearances

WARNING

Fire Risk. Explosion Risk.

Maintain flue clearance to combustibles as specified.

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

Failure to keep insulation or other materials away from flue pipe may cause fire.

Measure vertical clearances from this surface.

Measure horizontal clearances from this surface.

(See Figure 4.4 for specific clearances.)

Figure 4.1 Termination Clearances

GAS, WOOD OR FUEL
OIL TERMINATION			61cm
		(MINIMUM) TO
		PERPENDICULAR
	GAS		WALL
TERMINATION		(GAS ON LY)

H (MIN.) - MINIMUM HEIGHT FROM ROOF

TO LOWEST DISCHARGE OPENING

Roof Pitch	H (Min.) M
Flat to 6/12	30*
Over 6/12 to 7/12	38*
Over 7/12 to 8/12	46*
Over 8/12 to 9/12	61*
Over 9/12 to 10/12	76
Over 10/12 to 11/12	99
Over 11/12 to 12/12	1.22
Over 12/12 to 14/12	1.52
Over 14/12 to 16/12	1.83
Over 16/12 to 18/12	2.13
Over 18/12 to 20/12	2.29
Over 20/12 to 21/12	2.44

*.91M minimum in snow regions

Figure 4.3 Minimum Height from Roof to Lowest Discharge Opening

Figure 4.3 specifies minimum flue heights for various pitched roofs.

	Gas Termination	Wood & Fuel Oil Termination
A	15 cm	51 cm

Figure 4.2 Multiple Vertical Termination

8 Heat & Glo • VRTIKL-CE • 7031-292 Rev E • 12/07