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x”
x”
Venting Clearances
Clearances must be in accordance with local
installation codes and requirements of the gas
supplier.
NOTE: Venting terminals shall not be recessed into
walls or siding.
-This gas appliance must be direct vented and
can’t be connected to a chimney flue serving a
separate solid-burning appliances.
Clearances to combustibles must be maintained around
all vent pipe.
Minimum Vent Clearances
Vertical Pipe to Studs
1” (25mm)
all around
Vertical Pipe to Combustible
Sheet
3”
(76 mm)
Above Horizontal Pipe
3”
(76 mm)
Horizontal Pipe
Sides & Bottom
1”
(25 mm)
Above First Elbow
See below
Above Additional Elbows
3”
(76 mm)
Wall / Ceiling Thimble
Use a wall thimble when passing through an exterior
wall or ceiling. Typically the framing hole will be 10
1/2" x 10 1/2" but each thimble manufacturer may
vary. Installations in Canada require a wall thimble be
used but they are recommended for all installations.
All sealing and vapour barriers must comply with local
building codes.
Use a firestop when passing through interior joints of
subsequent floors.
6" [152 mm]
Minimum clearance
above first elbow only
1' Single
Section
Minimum
Vent Rise
9” Minimum to
(NG)8' Maximum
(LP) 4’ Maximum
Vent Run @
Minimum Rise
56”
(1422mm)
Venting
Venting