1
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
ADDENDUM
INSTALLATION INSTRUCTIONS FOR INSTALLING AFUE BAFFLE KITS
ON ASTRIATM ALTAIR AND SUPERIORTM DRT4040/4045 GAS FIREPLACES
ALTAIRTM AND DRT4040/4045 AFUE BAFFLE KITS
KIT CONTENTS
1 ea. AFUE Baffle
1 ea. AFUE Addendum
AFUE BAFFLE KITS
Cat. No. Description
611350-07 AFUE Baffle Kit, Altair and DRT4040/4045 - Rear Vent, Natural Gas
611350-08 AFUE Baffle Kit, Altair and DRT4040/4045 - Rear Vent, Propane Gas
TOOLS NEEDED
5/16" Nut Driver
GENERAL INFORMATION
If you encounter any problems, need clarification of these instructions or
are not qualified to properly install this kit, contact you local distributor
or dealer.
Read this addendum in its entirety before beginning the installation.
ALL WARNINGS, PRECAUTIONS AND INSTRUCTIONS IN THE INSTAL-
LATION AND CARE AND OPERATION MANUALS PROVIDED WITH THE
APPLIANCE APPLY TO THESE INSTRUCTIONS.
Figure 1 - Minimum Vent Configuration
A minimum vent configuration is defined by the example below with no
other vent component sections used than what is shown here.
WHEN ALTAIR AND DRT40/4045 FIREPLACES ARE INSTALLED
USING MINIMUM VENT COMPONENTS IN A REAR VENT CON-
FIGURATION (AS DEFINED IN FIGURE 1), AN AFUE BAFFLE MUST
BE INSTALLED PER THE INSTRUCTIONS IN THIS DOCUMENT.
One SV4.5RCH Slip
Adaptor only
SV4.5HT-2 Square
Termination
REAR VENT
Minimum Vent Configuration *
* Dimension from the base of the horizontal termination to the fireplace 1/2”
rear spacers is ~7" to 7-1/2” (assumes a 6” thick wall with interior and exterior
wall surface material). The AFUE baffle is not required if this dimension is over
7-1/2".
*Astria Models; Altair40DEN, Altair40DMN, Altair40DMP, Altair45DEN,
Altair45DMN, Altair45DMP
Superior Models; DRT4040DEN, DRT4040DMN, DRT4040DMP, DRT-
4045DEN, DRT4045DMN, DRT4045DMP
506020-16
REV. A 01/2015
P506020-16
2
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Printed in U.S.A. © 2015 Innovative Hearth Products LLC
P/N 506020-16 REV. A 01/2015
Innovative Hearth Products reserves the right to make
changes at any time, without notice, in design, materials,
specifications, and prices, and also to discontinue colors,
styles, and products. Consult your local distributor for
fireplace code information.
IHP.US.com
1508 Elm Hill Pike, Suite 108
Nashville, TN 37210
Figure 3 - Rear Vent AFUE Baffle
Step 2. Remove Cover Plate
Loosen the two screws in the keyhole slots of the
cover plate and remove the remaining two cover
plate securing screws. Remove and discard the
cover plate. (see Figure 2). Retain screws for
installation of the AFUE Baffle on Step 3.
Step 3. Install AFUE Baffle
Install the AFUE Baffle in place of the cover plate
using the screws that were removed from the
cover plate. See Figures 2 and 3.
Step 4. Reinstall Rear Lintel Baffle
Reinstall rear lintel baffle as shown in Figure 2.
Figure 2
INSTALLATION INSTRUCTIONS
Step 1. Remove Rear Lintel Baffle
From inside the firebox, remove the two screws
securing the rear lintel baffle to the rear wall of
the firebox, then remove the rear lintel baffle
(see Figure 2). Retain rear lintel baffle for
reinstallation on Step 4.
VENT SEAL CAP
SECURING SCREWS
CROSS SECTION
REAR LINTEL
SECURING
SCREWS
REAR LINTEL
BAFFLE
REAR VENT
COVER PLATE
SECURING SCREWS
REAR VENT SEAL CAP & COVER PLATE REMOVAL
WHEN USING THE REAR VENT
CABINET BACK
(INSIDE UNIT)
(OUTSIDE UNIT)
REAR VENT
P506020-16
/