Specifications

57-DVRS50 13
Installation Instructions Cont.
VENTING
Clearance to combustibles
The following clearances must be maintained around the vent pipe:
Vertical runs: 1”
Horizontal runs: 2” on top, 1” sides and bottom
IMPORTANT: This appliance venting system is a sealed system (DV), which means that all combustion
air is supplied from outdoors and the combustion products are exhausted to the outdoors.
Note: Only venting systems listed in this manual may be used with the model 57-DVRS50
Planning your vent installation
This type of direct vent system may terminate in one of two ways: vertical termination using a vent cap,
or horizontally using a wall termination. There are limitations to the vertical and/or horizontal lengths (see
page 17 for venting chart).
When calculating the length of the vent pipe from the outlet of the appliance to termination, allowing for
ceiling thickness, the vertical rise in the attic or second story and sufficient vertical height above the roof.
Fire stops are required at each floor level the vent passes through.
The following vent systems are certified for use with the model 57-DVRS50
NOTE: Please refer to vent manufactures instructions regarding sealing
methods and additional installation instructions as all vent manufactures
use there own methods for sealing and general installation.
 Duravent 5 x 8 Direct Vent
 Selkirk 5 x 8 Direct Vent
 Ameri-vent 5 x 8 Direct Vent
 ICI 5 x 8 Direct Vent
 Archgard 999-DV-8HTCL (Through the wall termination)
Note: ONLY THE LISTED VENT MANUFACTURERS LIST ABOVE MAY BE USED