Monessen Hearth 3000 SERIES Benutzerhandbuch

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10 
VENT INSTALLATION: 
 
Positioning The Fireplace: 
 
NOTE 
The fireplace must be installed giving full consideration to the clearance and height requirements identified 
in this manual. 
 
1.  Bend out the six (6) nailing flanges located on the sides and top of the fireplace 
2.  Slide the firebox into prepared framing or position fireplace in its final position and frame later. Be sure 
fireplace is rested on a flat surface. 
3.  Level the fireplace by checking the top of unit. Shim side-to-side and front-to-back as necessary. 
4.  Anchor nailing flanges of the fireplace to the side-framing members using 8d nails or other suitable fasteners. 
 
Venting Configuration: 
 
These models are approved to use Simpson-Duravent 4 X 6-5/8 Direct Vent Pipe Components and Monessen Hearth 
System termination kits. 
No other venting systems or components may be used. See PARTS LIST / 
ILLUSTRATIONS section for a list of approved vent components.   
 
WARNING 
Any common venting of this gas appliance with other gas appliances is not allowed. Do not connect this 
appliance to a chimney flue servicing a separate solid fuel-burning appliance. 
 
Venting Vertical Straight Up (No Elbow): 
 
  
Figure 8: Vertical Venting - Straight Up 
 
 
 
 
 
 
 
Dim 
Min 
Max 
6 feet 
40 feet 
 
NOTE 
Air Restrictor Kit is recommended for vertical 
runs of 10 feet or more to improve flame 
appearance.  This kit can be found in the 
homeowner manual packet assembly.