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19Heatilator • CD4236IR-C, CD4842IR-C • 2207-900 Rev. J • 11/11
A. Typical Appliance System
NOTICE: Illustrations and photos refl ect typical installations and are for design purposes only. Illustrations/diagrams are not
drawn to scale. Actual product may vary from pictures in manual
Figure 4.1 Typical System
CEILING FIRESTOP
ON FLOOR OF ATTIC
(SECTION 8.C)
VERTICAL TERMINATION CAP
(SECTION 10.I)
VENT PIPE PENETRATES ROOF
PREFERABLY WITHOUT AFFECTING
ROOF RAFTERS (SECTION 8.C)
FRAMING HEADED OFF
IN CEILING JOISTS
(SECTION 8.C)
GAS LINE
(SECTION 11)
MANTEL AND
MANTEL LEG
(SECTION 5.D)
SURROUND
HEARTH EXTENSION
(not required)
VENT PIPE (SECTIONS 7 and 8)
OPTIONAL
WALL SWITCH
(SECTION 12.C)
STORM COLLAR
(SECTION 10.H)
NON-COMBUSTIBLE ROOF FLASHING
MAINTAINS MINIMUM CLEARANCE
AROUND PIPE (SECTION 10.G)
FRAMING/HEADER
(SECTION 5.B)
ATTIC INSULATION SHIELD (NOT
SHOWN) MUST BE USED HERE TO
KEEP INSULATION AWAY FROM
VENT PIPE IF ATTIC IS INSULATED
(SECTION 8.D)
HORIZONTAL
TERMINATION CAP
(SECTION 10.L )
Note: Dual venting configurations
ARE NOT allowed. Appliance MUST
be vented EITHER vertically OR
horizontally.
4
4
Getting Started
Installer Guide