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Venting
The DXV42 TIMBERFIRE Fireplace must be vented to the outside and must use a rigid coaxial ducting system.
Do Not Use any silicone sealants at pipe joints. Stove gasket cements may be used at pipe joints
but is not required
.
The DXV42 TIMBERFIRE Fireplaces requires coaxial rigid- 4" diameter exhaust & 6-5/8" diameter air inlet and approved vent caps.
All UL Listed Coaxial Rigid 4"X6-5/8" Vent pipe components and vent caps are approved for use. Do not mix components of
different brands or series. Always use the same brand and series components throughout the entire vent system.
All warranties will be voided and serious fire, health or other safety hazards may result from any of the
following actions: Installation by unauthorized personnel; installation of any damaged component;
unauthorized modification of vent system; installation of any components not approved by Mendota; failure
to meet all clearance requirements; failure to properly twist-lock and positively seal all components.
Consult local building codes before beginning the installation.
WARNING: Always maintain required clearances (air spaces) to combustibles to prevent a fire hazard. Do
not fill air spaces with insulation. Check installation instructions for minimum clearance requirements
between the outer walls of the vent pipe and nearby combustible surfaces. Be sure to check the vent
termination clearance requirements from decks, windows, soffit, gas regulators, air supply inlets, and public
walkways, as specified in these installation instructions and local building codes.
SAFETY PRECAUTIONS FOR THE INSTALLER: 1) Wear gloves and safety glasses for protection; 2) Exercise extreme caution when
using ladders or on rooftops; and 3) be aware of electrical wiring locations in walls and ceilings.
This gas appliance and vent system must be vented directly to the outside of the building, and never
attached to a chimney serving another solid fuel or gas burning appliance. Each direct vent gas appliance
must have its own separate vent system. Common vent systems are prohibited.
To assure proper venting performance of this high-performance
Mendota Direct Vent Fireplace, it is critical that all brands of vent pipe
sections are sealed tightly and leak-proof. This means that all pipe
sections must be carefully rotated into the fully "twist-locked" position.
We strongly recommend that fixed length pipe sections be used in place of telescoping
sections whenever possible.
COMPONENT "TWIST-LOCK" CONNECTION PROCEDURE
DuraVent and American Metals pipe and fittings are designed with special twist-lock
connections. Twist-lock procedure is as
follows: four (4) indentations, located on the female ends of pipes and fittings are
designed to slide straight in to the male ends of the adjacent pipes and fittings, by
orienting the four pipe indentations so that they match and slide into the four entry
slots on the male ends.
Push the pipe sections completely together then twist-lock one section clockwise, approximately ¼ turn until the two sections are
fully locked. The female locking lugs will not be visible from the outside on the black pipe or fittings. They may be located by
examining inside of the female ends.
Wall Heat Shield for Horizontal Vent Caps
Always use heat shield (#AA-11-00458) when the exterior wall covering is made
of vinyl, wood or other combustible materials. Heat shield (#AA-11-00458) or
an equivalent heat shield shall be installed. Heat shield (#AA-11-00458) is
available for order directly from Mendota fireplaces.
85-03-01116
DXV42 TIMBERFIRE
Page 35
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