Specifications

57-DVRS50 16
Vertical Cap Installations
Installation Instructions Cont.
Always maintain a 1” clearance around the vent pipe (vertical) and on horizontal venting 2”
clearance on the top of the vent, when passing through ceilings, walls, roofs, enclosures, attic
rafters or any combustible surfaces.
DO NOT PACK AIR SPACES WITH INSULATION.
Refer to the vent chart on page 17 for maximum allowable vertical and horizontal allowable
installations.
When planning your installation, determine if ceiling joists, roof rafters or other framing will
obstruct the vent system. You may have to use 45° elbows to navigate around any obstacles.
When passing through a flat ceiling, install a Box/Wall thimble. Cut a 10” square hole and
frame as shown in the diagram opposite.
Ensure all pipe sections are fully twist locked.
NOTE: ALWAYS CHECK YOUR LOCAL
CODES BEFORE INSTALLING VENTING.
CLEARANCES, ETC, MAY VARY FROM
STATE TO STATE(PROVINCE TO PROVINCE).
Through Roof Framing
Use a suitable round or square support through
the roof as supplied by the vent manufacturer.
Figure 15