Heatilator • GBST4336I, GBFL4136I • 2135-900 • 2/08
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B. Design and Installation Considerations
Heatilator B-type vent gas appliances are designed to op-
erate with all exhaust gases expelled to the outside of the
building, and combustion air pulled from the room.
Installation MUST comply with local, regional, state and
national codes and regulations. Consult insurance carrier,
local building inspector, fi re offi cials or authorities having
jurisdiction over restrictions, installation inspection and
permits.
Before installing, determine the following:
• Where the appliance is to be installed.
• The vent system confi guration to be used.
• Gas supply piping.
• Electrical wiring requirements.
• Framing and fi nishing details.
• Whether optional accessories—devices such as a fan,
wall switch, or remote control—are desired.
D. Inspect Appliance and Components
The following B-vent components are needed for installa-
tion (see Figure 4.2).
• Fireplace Box
• Pipe Components
• Firestops
• Attic Insulation Shield
• Elbows
• Strapping
• Roof Flashing or Chase Top
• Termination Cap
• Storm Collar
• Carefully remove the appliance and components from
the packaging.
C. Tools and Supplies Needed
Before beginning the installation be sure that the following
tools and building supplies are available.
Tape measure
Framing material
Pliers
High temperature caulking material
Hammer Phillips
screwdriver
Gloves Framing
square
Voltmeter
Electric drill and bits (1/4 in.)
Plumb line
Safety glasses
Level Reciprocating
saw
Manometer
Flat blade screwdriver
Noncorrosive leak check solution
1/2 - 3/4 in. length, #6 or #8 Self-drilling screws
One 1/4 in. female connection (for optional fan).
WARNING! Risk of Fire, Explosion or Electric Shock!
DO NOT USE THIS APPLIANCE IF ANY PART HAS
BEEN UNDER WATER. Call a qualifi ed technician to in-
spect the appliance and to replace any part of the control
system and/or gas control which has been under water.
Improper installation, adjustment, alteration, service or
maintenance can cause injury or property damage. For
assistance or additional information, consult a qualifi ed
service technician, service agency or your dealer.
Hearth & Home Technologies disclaims any responsibility for,
and the warranty will be voided by, the following actions:
• Installation and use of any damaged appliance or vent
system component.
• Modifi cation of the appliance or vent system.
• Installation other than as instructed by Hearth & Home
Technologies.
• Improper positioning of the gas logs or the glass door.
• Installation and/or use of any component part not approved
by Hearth & Home Technologies.
Any such action may cause a fi re hazard.
Figure 4.2 Typical Vertical Installation
LISTED B-VENT
TERMINATION CAP
STORM COLLAR
ROOF FLASHING
OR CHASE TOP
FIRESTOP
SPACER
GAS B-VENT
SECTION
• The vent system components and decorative doors and
fronts may be shipped in separate packages.
• If packaged separately, the log set and appliance grate
must be installed.
• Report to your dealer any parts damaged in shipment,
particularly the condition of the glass.
•
Read all of the instructions before starting the instal-
lation. Follow these instructions carefully during the
installation to ensure maximum safety and benefi t.
WARNING! Risk of Fire or Explosion! Damaged parts
could impair safe operation. DO NOT install damaged, in-
complete or substitute components. Keep appliance dry.