Heatilator • GDST4336I, GDFL4136I, GDCR4136I, GDCL4136I • 2129-900 Rev. F • 11/08 3

Safety Alert Key:

• DANGER! Indicates a hazardous situation which, if not avoided will result in death or serious injury.

• WARNING! Indicates a hazardous situation which, if not avoided could result in death or serious injury.

• CAUTION! Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.

• NOTICE: Used to address practices not related to personal injury.

Table of Contents
A. Congratulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
B. Limited Lifetime Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1 Listing and Code Approvals

A. Appliance Certifi cation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
B. Tempered Glass Specifi cations . . . . . . . . . . . . . . . . . . . . . 7
C. BTU Specifi cations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
D. High Altitude Installations . . . . . . . . . . . . . . . . . . . . . . . . . . 7
E. Non-Combustible Materials Specifi cation. . . . . . . . . . . . . . 7
F. Combustible Materials Specifi cation . . . . . . . . . . . . . . . . . 7
G. Electrical Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
H. Requirements for the Commonwealth of Massachusetts . . 8
User Guide

2 Operating Instructions

A. Gas Fireplace Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
B. Your Fireplace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
C. Fan Kit (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
D. Clear Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
E. Decorative Doors and Fronts . . . . . . . . . . . . . . . . . . . . . . 10
F. Fixed Glass Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
G. Remote Controls, Wall Controls and Wall Switches . . . . . 10
H. Before Lighting Fireplace . . . . . . . . . . . . . . . . . . . . . . . . . 10
I. Lighting Instructions (IPI) . . . . . . . . . . . . . . . . . . . . . . . . . 11
J. Lighting Instructions (Standing Pilot) . . . . . . . . . . . . . . . . 12
K. After Fireplace is Lit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
L. Frequently Asked Questions . . . . . . . . . . . . . . . . . . . . . . 13

3 Maintenance and Service

A. Maintenance Tasks-Homeowner . . . . . . . . . . . . . . . . . . . 14
B. Maintenance Tasks-Qualifi ed Service Technician . . . . . . 15
Installer Guide

4 Getting Started

A. Typical Appliance System. . . . . . . . . . . . . . . . . . . . . . . . . 16
B. Design and Installation Considerations . . . . . . . . . . . . . . 17
C. Tools and Supplies Needed . . . . . . . . . . . . . . . . . . . . . . . 17
D. Inspect Appliance and Components . . . . . . . . . . . . . . . . . 17

5 Framing and Clearances

A. Selecting Appliance Location . . . . . . . . . . . . . . . . . . . . . . 18
B. Constructing the Appliance Chase . . . . . . . . . . . . . . . . . . 19
C. Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
D. Mantel and Wall Projections . . . . . . . . . . . . . . . . . . . . . . . 21

6 Termination Locations

A. Vent Termination Minimum Clearances . . . . . . . . . . . . . . 23
B. Continue Adding Vent Components . . . . . . . . . . . . . . . . . 25
C. Install Support Brackets . . . . . . . . . . . . . . . . . . . . . . . . . . 25

7 Vent Information and Diagrams

A. Approved Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
B. Vent Table Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
C. Use of Elbows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
D. Measuring Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
E. Vent Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

8 Vent Clearances and Framing

A. Pipe Clearances to Combustibles . . . . . . . . . . . . . . . . . . 37
B. Wall Penetration Framing . . . . . . . . . . . . . . . . . . . . . . . . . 37
C. Vertical Penetration Framing . . . . . . . . . . . . . . . . . . . . . . 38
D. Install Attic Insulation Shield . . . . . . . . . . . . . . . . . . . . . . . 39

9 Appliance Preparation

A. Top Vent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
B. Rear Vent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
C. Securing and Leveling the Appliance . . . . . . . . . . . . . . . . 42

10 Installing Vent Pipe (DVP and SLP Pipe)

A. Assemble Vent Sections (DVP Pipe Only) . . . . . . . . . . . . 43
B. Assemble Vent Sections (SLP Pipe Only) . . . . . . . . . . . . 44
C. Assemble Slip Sections . . . . . . . . . . . . . . . . . . . . . . . . . . 44
D. Secure the Vent Sections . . . . . . . . . . . . . . . . . . . . . . . . . 45
E. Disassemble Vent Sections . . . . . . . . . . . . . . . . . . . . . . . 45
F. Install Decorative Ceiling Components (SLP only) . . . . . . 46
G. Install Metal Roof Flashing . . . . . . . . . . . . . . . . . . . . . . . . 47
H. Assemble and Install Storm Collar . . . . . . . . . . . . . . . . . . 47
I. Install RF4-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
J. Install Vertical Termination Cap . . . . . . . . . . . . . . . . . . . . 49
K. Install Decorative Wall Components (SLP only) . . . . . . . . 49
L. Heat Shield Requirements for Horizontal Termination . . . 49
M. Install Horizontal Termination Cap . . . . . . . . . . . . . . . . . . 50

11 Gas Information

A. Fuel Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
B. Gas Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
C. Gas Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
D. High Altitude Installations . . . . . . . . . . . . . . . . . . . . . . . . . 51