Monessen Hearth CDV7 manual Vertical THROUGH-THE-ROOF Installation

Venting installation

CDVSC7 & CDV7 Series Gas Fireplace

•For the minimum height of the vent above the highest point of penetration through the roof refer to Figure 38, Page 26.

Max. Height 40’ (12.2 m)

Min. Height 8’ (2.4 m)

Max. 10’ (3 m)

Support Straps

Every 3’ (.9 m)

Max.	Max. 10’ (3 m)
Height 40’ (12.2 m)
Min.
Height 8’ (2.4 m)

Figure 33 -

Support Straps for

Horizontal Runs

FP1183

1 + 2 + 3 + 4 = 270°

1	1
2
	2
3
	3
4
	4

FP1179

Figure 34 -

Maximum Elbow Usage

VERTICAL THROUGH-THE-ROOF INSTALLATION

NOTE: For all top vent vertical through-the-roof installa- tions, install the supplied cross-bar flue restrictor onto the top edge of the firebox flue adapter. Figure 35

1.Locate your fireplace.

2.Plumb to center of the (4”) flue collar from ceiling above and

mark position.

3. Cut opening equal to 9C\v” x

9C\v” (248 x 248 mm).

4.Proceed to plumb for addi- tional openings through the

roof. In all cases, the	FP2304
	Figure 35 -
opening must provide	Vertical Through-the-Roof
a minimum of 1 inch	Restrictor
clearance to the vent
pipe, i.e., the hole must

be at least 9C\v” x 9C\v” (248 x 248 mm).

5.Place fireplace into position.

6.Place firestop(s) or Attic Insulation Shield into position and secure. Figure 36

Attic Insulation Shield (7DV1AIS)

Upper Floor

11” (279 mm)

Ceiling Installation

FP1029

Joist

Firestop

Spacer

Nails (4)

Figure 36 -

Place Firestop Spacer(s) and Secure

7.Install roof support (Figure 37) and roof flashing mak- ing sure upper flange is below the shingles. Figure 39

8.Install appropriate pipe sections until the venting is above the flashing. Figure 39

69D3011 25