Heatilator • GDST4336I, GDFL4136I, GDCR4136I, GDCL4136I • 2129-900 Rev. F • 11/0816

A. Typical Appliance System

NOTICE: Illustrations and photos re 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
4
4 Getting Started

Installer Guide

CEILING FIRESTOP
ON FLOOR OF ATTIC
(SECTION 8.C)
VERTICAL TERMINATION CAP
(SECTION 10.E)
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.C)
MANTEL AND
MANTEL LEG
(SECTION 5.D)
SURROUND
HEARTH EXTENSION
VENT PIPE (SECTION 9 and 10)
OPTIONAL
WALL SWITCH
STORM COLLAR
(SECTION 10.F)
NON-COMBUSTIBLE ROOF FLASHING
MAINTAINS MINIMUM CLEARANCE
AROUND PIPE (SECTION 10.D)
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.C )
Note: Dual venting configurations
ARE NOT allowed. Appliance MUST
be vented EITHER vertically OR
horizontally.
HORIZONTAL TERMINATION CAP (SECTION 10.G)