Owner`s manual
Initial Installation
QUALIFIED INSTALLERS ONLY
HORIZONTAL TERMINATION:
Step 1. Set the replace in the desired location. Check to
determine if wall studs will be in the way when the
venting system is attached. If this is the case, the
location of the replace may have to be adjusted or
the venting may have to be offset.
Step 2. Direct vent pipe sections are designed with
special twist-lock connections. Dry t the desired
combination of pipe and elbows to the appliance
adapter.
Step 3. With the pipe in the correct position and attached
to the replace, mark the wall for a 10in x 10in
square hole. The center of the hole should match
the center line of the horizontal pipe. Cut and frame
the hole in the exterior wall where the vent will be
terminated. If the wall being penetrated is made
of a non-combustible material (i.e. masonry or
concrete), a 7in hole is acceptable.
NOTE: For Simpson Duravent only, place a bead of Mil-Pac
on the outer edge of the inner exhaust pipe (non-
ared end). Push the pipe sections together, then
twist about turn, making sure the two sections are fully locked. Wrap all seams with foil ducting tape.
This method makes disassembly easy and reassembly can be done the way it was origianally assembled.
Step 4. With the hole now framed, the wall thimble installed and the pipe extending into the wall, proceed to the
outside. Attach the termination to the pipe using RTV and MilPac to seal joints. The vent pipe must extend
into the vent cap at least 1”. Secure the connection between the vent cap and the pipe by attaching the
two sheet metal straps, which extend from the vent cap assembly to the outerwall of the vent pipe. Bend
any remaining portion of the strap back towards the vent cap.
Step 5. Run a bead of non-hardening mastic around the edges of the vent cap, to make a seal with the wall.
Position the horizontal vent termination in the center of the 10in square hole and attach to the exterior wall
with the four screws provided. The arrow on the vent termination should be pointing up. Ensure the proper
clearances to combustibles have been maintained (see page 14).
See page 18 for important notes.
Figure 20. Horizontal Vent Termination
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