Heat & Glo RHW-44 Installation and operation guide
Heat-N-Glo, a Division of Hearth Technologies Inc.
20802 Kensington Blvd.
Lakeville, MN 55044
RHW-44
WOODBURNING FIREPLACE
INSTALLATION & OPERATING
INSTRUCTIONS
FOR RESIDENTIAL USE
Plumber: Please refer to page 18 for gas connection information.
Framer: Please refer to page 9 for framing specifications.
RHW-44 WOODBURNING FIREPLACE
PLEASE RETAIN THIS MANUAL FOR FUTURE REFERENCE.
Table of Contents
A. Listings and Code Approvals......................................................................................................................3
B. Description of the Fireplace System..........................................................................................................3
C. Fireplace System Components...................................................................................................................4
D. Pre-Installation Preparation ........................................................................................................................8
1. Fireplace Locations and Space Requirements.........................................................................................8
2. Framing The Fireplace.............................................................................................................................9
3. Hearth Extensions..................................................................................................................................10
4. Sidewalls/Surrounds...............................................................................................................................11
5. Mantel.....................................................................................................................................................11
E. Chimney Requirements .............................................................................................................................11
1. Using Offsets and Returns.....................................................................................................................11
2. Chimney Height Requirements ..............................................................................................................13
3. Determining the Number of Chimney Sections Required.......................................................................13
F. Step-By-Step Installation of the Fireplace System..................................................................................14
G. Constructing a Chase................................................................................................................................19
1. Materials For The Chase........................................................................................................................19
2. Installing a Terminal Cap on a Chase-Enclosed Chimney.....................................................................20
H. Operating Instructions...............................................................................................................................20
Safety Precautions:
1. Please read these installation instructions com-
pletely before beginning installation procedures.
Failure to follow them could cause a fireplace
malfunction resulting in serious injury and/or property damage.
2. Always check your Local Building Codes prior to
installation. The installation must comply with all
Local, Regional, State and National Codes and
regulations.
3. An adequate supply of replacement combustion
air from outside the house must be available to
the fire for the fireplace to operate properly. To
achieve this, an optional outside air kit is highly
recommended.
In the event the home is unusually tight, the
optional combustion air kit may not provide all the
air required to support combustion. Heat-N-Glo is
not responsible for any smoking or related problems that may result from the lack of adequate
combustion air. It is the responsibility of the
builder/contractor to ensure that adequate combustion air has been provided for the fireplace.
4. The RHW-44 woodburning fireplace must be
installed with the Hearth Technologies Inc. (HTI)
SL300 Series chimney system.
The chimney system must always terminate outside the building. Be sure to follow all chimney
specifications given in these installation instructions.
5. NEVER leave children unattended when there is
a fire burning in the fireplace.
6. This fireplace is built for solid fuel only. NEVER
use gasoline, gasoline type lantern fuel,
kerosene, charcoal lighter fluid, or similar liquids
in this fireplace. Keep any flammable liquids a
safe distance from the fireplace.
7. DO NOT use chimney cleaners or flame colorants
in your fireplace.
8. The flue damper must be open at all times when
the fireplace is in use.
9. While servicing this fireplace, always shut off any
electricity or gas to the fireplace. This will prevent
possible electrical shock or burns. Also, make
sure the unit is completely cooled before servici n g .
10. To ensure a safe fireplace system and to prevent
the buildup of soot and creosote, inspect and
clean the fireplace and chimney prior to use and
periodically during the burning season.
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RHW-44 WOODBURNING FIREPLACE
A. LISTINGS AND CODE APPROVALS
The RHW-44 fireplace system has been tested and
listed in accordance with UL 127 and ULC S610
Standards, and has been listed by Underwriters
Laboratories Inc. for installation and operation in the
United States and Canada as described in these
Installation & Operating Instructions.
The model RHW-44 fireplace has been tested and
listed for use with the components listed below. The
optional components may be purchased separately
and installed at a later date. However, installation of
an outside air kit will require significant reconstruction, and should be installed at the time of the initial
fireplace installation.
Check with your Local Building Code Agency prior to
installing this fireplace to ensure compliance with local
Codes, including the need for Permits and follow up
inspections. If any assistance is required during
installation, please contact your local dealer or the
Heat-N-Glo Technical Services Department,
20802 Kensington Blvd., Lakeville, MN 55044.
WARNING!
THIS HEAT-N-GLO FIREPLACE AND ITS COMPONENTS ARE DESIGNED TO BE
INSTALLED AND OPERATED AS A SYSTEM. ANY ALTERATION TO OR
SUBSTITUTION FOR ITEMS IN THIS SYSTEM, UNLESS ALLOWED BY THESE
INSTALLATION INSTRUCTIONS, WILL VOID THE UNDERWRITERS LABORATORIES
LISTING AND MAY VOID THE PRODUCT WARRANTY. IT MAY ALSO CREATE A
HAZARDOUS INSTALLATION. READ THROUGH THESE INSTRUCTIONS
THOROUGHLY BEFORE STARTING YOUR INSTALLATION AND FOLLOW THEM
CAREFULLY THROUGHOUT YOUR PROJECT.
B. DESCRIPTION OF THE FIREPLACE SYSTEM
This Heat-N-Glo fireplace system consists of the following:
1. Fireplace/Integral Grate 3. Chimney System
2. Chimney Termination Cap 4. Hearth Extension
Optional components include:
1. Glass Doors
2. Outside Combustion Air System
NOTE: Illustrations throughout these
instructions reflect “typical installations”
and are for design purposes only. Actual
installation may vary slightly due to individual design preferences. However,
minimum and maximum clearances must
be maintained at all times.
The illustrations and diagrams used
throughout these installation instructions
are not drawn to scale.
Tools and Building Supplies Normally
Required
Tools: Building Supplies:
Saw Hearth Extension Material
Pliers Wall-finishing Materials
Hammer Framing Material
Phillips Screwdriver Fireplace Surround
Tape Measure Caulking Material
Plumb Line
Level
Electric Drill and Bits
Framing Square
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RHW-44 WOODBURNING FIREPLACE
HTI Cat.# Description
RHW-44* Fireplace, includes outside air kit, integral grate and hearth protection strips
HX3 Hearth Extension
DM1136 Original Bi-fold Glass Doors - Black Finish
DM1136A Original Bi-fold Glass Doors - PolishedBrass Finish
DM1136B Original Bi-fold Glass Doors - Bright Brass Finish
C1136A Classic Bi-fold Glass Doors - Brushed Brass Finish
C1136B Classic Bi-fold Glass Doors - Polished Brass Finish
C1136C Classic Bi-fold Glass Doors - Chrome Finish
C2136A Classic Cabinet Glass Doors - Brushed Brass Finish
C2136B Classic Cabinet Glass Doors - Polished Brass Finish
C2136C Classic Cabinet Glass Doors - Chrome Finish
P1136B Premium Series Bi-fold Glass Doors - Polished Brass Finish
GR8 Integral Grate (included with Fireplace)
ID4 Insulated Duct/Outside Air
UD4 Uninsulated Duct/Outside Air
CAK4 Chimney Air Kit
SL306 Chimney Section - 6” long
SL312 Chimney Section - 12” long
SL318 Chimney Section - 18” long
SL324 Chimney Section - 24” long
SL336 Chimney Section - 36” long
SL348 Chimney Section - 48” long
SL3 Chimney Stabilizer
SL315 Chimney Offset/Return - 15°
SL330 Chimney Offset/Return - 30°
FS338 Firestop - Straight
FS339 Firestop - 15°
FS340 Firestop - 30°
AS8 SL300 Straight Attic Insulation Shield - 24"
JB877 Chimney Joint Band
CB876 Chimney Bracket
RF370 Roof Flashing - Flat to 6/12 Pitch
RF371 Roof Flashing - 6/12 to 12/12 Pitch
ST375 Chimney Terminal Cap - Square
CT35 Chase Top
TR342 Round Telescoping Terminal Cap
TR344 Round Telescoping Terminal Cap
TS345 Square Terminal Cap
TS345P Square Terminal Cap - Painted
*Heat-N-Glo Catalog Number
The table below, together with the following pictures, show only those components which may be safely used
with this fireplace.
C. FIREPLACE SYSTEM COMPONENTS
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RHW-44 WOODBURNING FIREPLACE
HEARTH EXTENSION GLASS DOORS INSULATION SHIELD
STRAIGHT ATTIC
HX3
INTEGRAL GRATE
GR8
AS8
OUTSIDE AIR KIT
(SUPPLIED)
AK14
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RHW-44 WOODBURNING FIREPLACE
HTI CAT.# A
SL315 15°
SL330 30°
HTI CAT.# A B
SL306 6" 43/4"
SL312 12" 103/4"
SL318 18" 163/4"
SL324 24" 223/4"
SL336 36" 343/4"
SL348 48" 463/4"
CHIMNEY SECTIONS CHIMNEY STABILIZER OFFSETS/RETURNS
A=Actual length
B=Effective length (length of chimney part
after it has been snapped to another)
SL3
FIRESTOP SPACERS
CAT. # A B
FS338 0° 141/2"
FS339 15° 183/8"
FS340 30° 23"
CHIMNEY BRACKET
Flat to 6/12 Pitch
JOINT BAND
ROOF FLASHING
RF370
RF371
6/12 to 12/12 Pitch
CHIMNEY AIR KIT
CB876
JB877
CAK4
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RHW-44 WOODBURNING FIREPLACE
CHIMNEY TERMINAL CAPS & VENT SECTIONS
TR342
ROUND TELESCOPING
TERMINAL CAP
TR344
ROUND TERMINAL CAP
WITH STORM COLLAR
TS345/345P
SQUARE TERMINAL CAP
ST375
SQUARE TERMINAL CAP
CT35
CHASE TOP
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RHW-44 WOODBURNING FIREPLACE
A B C D
78
3
/4” 393/8” 171/4” 555/8”
allowance must be made for 90° bends. Less space is required when ducting goes directly outside without forming elbows.
Several options are available to you when choosing a location for your fireplace. This fireplace may be used as
a room divider, installed along a wall, across a corner or used in an exterior chase. See Figure 1.
D. PRE-INSTALLATION PREPARATION
1. FIREPLACE LOCATIONS AND SPACE REQUIREMENTS
Figure 1
Fireplace Locations
Figures 2 and 3 show two typical installations assuming an outside air kit is being used. Therefore, an
* A minimum of 1/2" air clearance must be
maintained between the firebox and wall.
WITH OR WITHOUT
OUTSIDE AIR
Figure 2
Installation along a wall or an
exterior chase.
Figure 3
Corner Installation
WARNING!
DO NOT DRAW OUTSIDE AIR FROM GARAGE SPACES. EXHAUST PRODUCTS OF
GASOLINE ENGINES ARE HAZARDOUS.
DO NOT INSTALL OUTSIDE AIR DUCTS SUCH THAT THE AIR MAY BE DRAWN
FROM ATTIC SPACES, BASEMENTS OR ABOVE THE ROOFING WHERE OTHER
HEATING APPLIANCES OR FANS AND CHIMNEYS EXHAUST OR UTILIZE AIR.
THESE PRECAUTIONS WILL REDUCE THE POSSIBILITY FOR SMOKING OR FLOW
REVERSAL.
WARNING!
TO PREVENT CONTACT WITH SAGGING OR LOOSE INSULATION, THE FIREPLACE
MUST NOT BE INSTALLED AGAINST VAPOR BARRIERS OR EXPOSED INSULA-
TION. LOCALIZED OVERHEATING COULD OCCUR AND A FIRE COULD RESULT.
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