Installation
5
This application is only acceptable in Canada
installations for gas-red Category I appliances
(not oil, pellets, or solid fuels). Before
installing a into a
factory-built chimney, the chimney must be
thoroughly cleaned and checked for structural
defects. All parts of the chimney system,
such as supports, radiation shields, and re
stops specied by the chimney manufacturer
must be installed correctly and, in addition,
there must be proper clearances between
the chimney and surrounding combustible
materials, as specied by the chimney's
installation instructions.
To determine the correct diameter of a
liner, refer to the appliance manufacturer’s
installation instructions, or to local building
codes: model code NFPA 211 (wood), model
code NFPA 54 (gas), model code NFPA 31
(oil), the GAMA Venting Tables For Category
I Central Furnaces (gas) or in Canada,
the Installation Code for Natural Gas and
Propane Burning Appliances and Equipment,
CAN1-B149.1 and .2 and Installation Code for
• The masonry chimney must have
a wall thickness of at least 3.5 inches (4 in.
nominal), a minimum height of 10 feet and
maximum height of 100 feet.
• In wood burning applications, the
chimney must extend at least 3 feet above the
highest point where it passes through the roof
and at least 2 feet higher than any portion of
the building within 10 feet.
• Only one solid fuel heater may be
connected into a ue and may not be combined
to vent gas or oil burning appliances.
• If the ue’s capacity is sufcient,
multiple gas and/or oil burning appliances may
be vented into one ue. Gas appliances must
connect into the ue ABOVE any oil red heater.
• Oil red appliances require a base Tee.
• Connector pipes between a heater
and chimney must be installed with proper
clearance to combustibles as specied by the
appliance manufacturer and by any applicable
building codes and standards. In the US, refer
to the National Fire Protection Association’s
NFPA 211. In Canada, refer to CSA B365M91
Installation Code for Solid Fuel Burning
Appliances and Equipment.
The chimney must be thoroughly cleaned
before a liner is installed. Examine the
chimney for obstructions, soot or tar, glazed
creosote, cracked, loose or missing bricks and
eroded mortar joints. Any defects or potential
safety problems must be repaired prior to
relining the chimney or must be rectied by the
installation of a .