Monessen Hearth 36CDVXTRN User Manual

16

&0
REAR

Fig. 21  Bend flex pipe up 90° as close to fireplace as pos-
sible.

FP1604

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REAR

Do Not Exceed 

45° Bend

Corner 

Framing

Termination

FP1606

Fig. 22  Rear view of corner installation.

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FLEX

Screw

Collar

Screws

FP1605

Fig. 23  Secure collar in place, slide termination into collar.

Flex Vent

1.  Determine the location of the termination. (Fig. 24)
  IMPORTANT: Vent must have a 2¹⁄₂” (64 mm) rise 

2.  Locate the hole 24Z\x” (622 mm) off the floor. This 

is the center line of the termination. Refer to “Rear 
Wall Installation Twist Lock Pipe” section.

&0A
FLEX

Screw

Screws

Flex Vent

Collar

FP1605a

Fig. 24  The centerline of the termination must be 24¹⁄₂” 
(622 mm) off the floor.

24¹⁄₂”

(622 mm)

13” - 20”

(330 - 508 mm)

3.  Proceed with Step 3 of “Rear Wall Vent Application 

*Exterior Outside Wall 20” to 32” (508-813 mm) from 
Rear of Unit” section (below).

1.  Determine where the termination is to be installed. 

(Fig. 25)

2.  Locate the hole 27Z\v” (692 mm) off the floor. This 

is the center line of the termination. Refer to “Rear 
Wall Installation Twist Lock Pipe” section.

&0A
FLEX

Screw

Screws

Flex Vent

Collar

FP1605a

Fig. 25  The centerline of the termination must be 27¹⁄v” 
(692 mm) off the floor.

27¹⁄v”

(692 mm)

20” - 32”

(508 - 813 mm)

3.  Mount the flex pipe assembly to the fireplace collars 

and twist the collar that the flex pipe is attached to 
onto the fireplace.

4.  Once the collar is twisted onto the fireplace collar, 

secure with a screw through the tab. (Fig. 19) 

5.  While sliding the fireplace into position, lift up the end 

of the flex pipe and slip it through the firestop. *Be 
careful not to extend the flex too much. The flex pipe