Heat & Glo LifeStyle AT-ZC manual To Avoid Downdrafts AND/OR Cold AIR

7

CAUTION	TO AVOID DOWNDRAFTS AND/OR COLD AIR
	PROBLEMS, IT IS RECOMMENDED TO SEAL
	OFF THE AREA BETWEEN THE TERMINATION
	CAP AND THE TOP OF THE SOLID-FUEL
	CHIMNEY OPENING INTO WHICH THE VENT
	CAP HAS BEEN INSTALLED.
	WHEN USING THE LINK-DV4-30 VENT SYSTEM,
	IT IS REQUIRED TO SEAL AROUND THE
	FLEXIBLE VENT PIPES IN THE DAMPER AREA.
	SEE FIGURE 3. USE FIBERGLASS INSULATION
	OR OTHER SUITABLE NON-COMBUSTIBLE
	MATERIAL.
	VENT SYSTEM APPROVALS
	AT-ZC	LINK-DV30
		LINK-DV4-30
	TABLE 1

WARNING: MAJOR U.S. BUILDING

CODES SPECIFY MINIMUM CHIMNEY

AND/OR VENT HEIGHT ABOVE THE

ROOF TOP. THESE MINIMUM HEIGHTS

ARE NECESSARY IN THE INTEREST OF

SAFETY. FIGURE 2 SHOWS MINIMUM

HEIGHTS, PROVIDED THE

TERMINATION CAP IS AT LEAST 8-FEET

FROM A VERTICAL WALL.

NOTE: This also pertains to vertical vent systems installed on the outside of the building.

Termination

Cap

Roof Pitch	H (min.) ft.
flat to 6/12	1.0
6/12 to 7/12	1.25
over 7/12 to 8/12	1.5
over 8/12 to 9/12	2.0
over 9/12 to 10/12	2.5
over 10/12 to 11/12	3.25
over 11/12 to 12/12	4.0
over 12/12 to 14/12	5.0
over 14/12 to 16/12	6.0
over 16/12 to 18/12	7.0
over 18/12 to 20/12	7.5
over 20/12 to 21/12	8.0

Figure 2. Minimum Height from Roof to Lowest

Discharge Opening