Venting - Mendota ML39 Assembly, Installation And Operating Instructions

4.11 VENTING

WARNING: Proper installation of the vent system, as required in this manual, is vital to the performance of
this Fireplace. Oversights or failure to c onform to all installation requirements will void the applicable
warranty.
The ML39 Fireplace must be vented vertically to the outside and must use one of the approved co-linear
flexible ducting system s or a coaxial flexible ducting system .
This heater must be properly connected to a venting system in accordance with the manufacturer's
installation instructions. Operation of this heater when not connected to a properly installed and
maintained venting system can result in carbon monoxide (CO) poisoning an d possibly death.
If the vent system of this appliance is disconnected for any reaso n, the vent and air intake systems must be
properly reassembled and resealed before this appliance is put into use.
CAUTION: Each installation must conform to all local, s tate and national codes. Refer to the national fuel
gas code and local zoning and co de authorities for details on installation requirements. The Mendota
Fireplaces must be vented to the outside in accordance with the latest edition of the National Fuel Gas
Code. In the absence of local codes, the installation must conform with National F uel Gas Code ANSI Z223.1
(NFPA 54), or Canadian Code CAN1 -B149 or most current edition, also known as NFPA 54. Do not connect
this Fireplace to a chimney flue serving a se parate solid fuel or gas-burning appliance.
The ML39 Fireplace must be vented to the outside and must use one of the approved coaxial rigid ducting
systems or a coaxial flexible ducting system .
gasket cements may be used at pipe joints but is not required
Wall Thimble Information
A wall thimble is required to be installed when penetrating any combustible wall, regardless of whether the wall Is an internal wall
or an external wall.
Wall thimbles are designed to reduce the required clearances to the exterior surfaces of the vent pipe that pass through
combustible walls. The hole size that is specified to be cut in the wall for installation of the wall thimble takes into consideration the
reduced clearance requirement.
High Altitude Installation Information
Prior to installing at altitudes higher than 7500, please contact the Mendota technical service department for specific venting
requirements and venting restrictions.
85-03-01136
Do Not Use any silicone sealants at pipe joints. Stove
ML39
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