Vent Options Discussion - Mendota DXV35 DT4-LX Installation & Operating Instructions Manual

Gas direct vent fireplace with premium texture fiber logs combustion system
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This Mendota Fireplace can be vented using AMERIVENT, DURAVENT, SELKIRK METALBESTOS, SECURITY
CHIMNEY and ICC brands of coaxial pipe off the top. Use only Mendota specified vents and vent caps when installing
your fireplace. Closely follow venting locations, directions and requirements provided in this Manual. Observe the re-
strictions related to vent position on exterior of home.
Make certain that all vent pipe sections are fully twist-locked and leak-proof. Note: When using Dura-vent pipes it is rec-
ommended that you use a silicate stove masonry sealant [Milpak Sealant #65-06-00909] on all inner pipe joints. On the
exterior (air intake) pipe joints, high temperature foil tape may be used instead of the masonry sealant. Contact your deal-
er to obtain this sealant material.
TOP VENTING
The DXV-35 Fireplace comes from the factory configured for venting off the top using 4" x 6-5/8" Coaxial Vent Pipes.
AMERIVENT, DURAVENT, SELKIRK METALBESTOS, SECURITY CHIMNEY and ICC brand pipes and venting compo-
nents may be used when venting off the top.
Venting off the top on the DXV-35 Fireplace provides a large degree of flexibility for many venting configurations. Howev-
er, a few critical limitations must be understood and adhered to.
Limitation 1:
A 12" minimum vertical pipe section must be connected to the top starter collar of the DXV-35. With the
12" vertical section connected, you may only install one 90-degree elbow and a run a maximum 6" hori-
zontal pipe section before connecting the horizontal vent cap.
Limitation 2
: The maximum horizontal run allowed when venting off the top is 12 feet preceded by a minimum 4 feet
f i r e - p a r t s . c o m
vertical run. This 12 feet horizontal run can only be used if a straight vertical run of 48 inches (4 feet) is
connected directly to the top of the dxv35. Do not exceed the maximum 12 feet horizontal run. Even if
the vertical section you installed is greater than 4 feet, do not exceed the 12 feet maximum horizontal run
throughout the entire vent system

VENT OPTIONS DISCUSSION

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