G. Install Metal Roof Flashing

•See minimum vent heights for various pitched roofs (Figure 10.14) to determine the length of pipe to extend through the roof.

•Slide the roof flashing over the pipe sections extending through the roof as shown in Figure 10.15.

H. Assemble and Install Storm Collar

CAUTION! Risk of Cuts/Abrasions/Flying Debris. Wear protective gloves and safety glasses during installation. Sheet metal edges are sharp.

• Connect both halves of the storm collar with two screws

(see Figure 10.16).

24 in. min.

(610 mm)

Termination

Cap

 

 

 

 

Horizontal

 

20 in.

 

 

overhang

 

 

 

 

 

 

 

 

 

 

(508 mm)

Vertical

Lowest

wall

Discharge

 

Opening

 

• Wrap the storm collar around the exposed pipe section

closest to the roof and align brackets. Insert a bolt

(provided) through the brackets and tighten the nut to

complete the storm collar assembly. Make sure the collar

is tight against the pipe section.

• Slide the assembled storm collar down the pipe section

until it rests on the roof flashing (see Figure 10.17).

• Caulk around the top of the storm collar.

Storm Collar

 

 

12

X

 

 

 

 

 

 

 

 

 

 

 

 

 

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 10.14 Minimum Height From Roof To Lowest Discharge Opening

NOTICE: Failure to properly caulk the roof flashing and pipe seams may permit entry of water.

•Caulk the gap between the roof flashing and the outside diameter of the pipe.

•Caulk the perimeter of the flashing where it contacts the roof surface. See Figure 10.15.

•Caulk the overlap seam of any exposed pipe sections that are located above the roof line.

CAULK

Figure 10.15

Figure 10.16 Assembling the Storm Collar

Figure 10.17 Assembling the Storm Collar Around the Pipe

44

Heatilator • Novus NDV Series • 4055-187 Rev. V • 1/12

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Hearth and Home Technologies 4055-187 owner manual Install Metal Roof Flashing, Assemble and Install Storm Collar
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4055-187 specifications

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