Operator's Manual: Models Saturn™ 140 & Saturn™ 230
3-5
Installing the Combustion Sleeve
Installing the Combustion Sleeve Inside the Combustion Chamber
ATTENTION: DO NOT fire your furnace without the Combustion Sleeve in place, or poor flame retention
will occur. Handle the Combustion Sleeve carefully to avoid damage.
1. Refer to Figure 3A and 3D to review the proper position of the Combustion Sleeve and 2" x 2"
mounting Blocks.
2. Swing open the clean-out door on the front of the furnace to gain access to the combustion chamber.
3. Refer to Figure 3D. Place the two (2) soft fiber board blocks (2" x 2" x 8") on the bottom of the
combustion chamber against the indicator tabs. The notch in the support blocks should fit over the front
flue plate.
4. Gently set the Combustion Sleeve on top of the two Blocks. The combustion sleeve needs to seat
firmly against the door insulation for proper combustion. Carefully position the Combustion Sleeve on
the blocks so that it extends out slightly beyond the door opening. The door will push the Combustion
Sleeve in place as it is closed.
Closing the Furnace Door
1. After the Combustion Sleeve has been installed, close the furnace clean-out door.
2. If necessary, loosen the door hinges to allow the door to seal tight.
2. Tighten the three (3) lock-down nuts until all are snug.
Figure 3D - Installing the Combustion Sleeve
I89090
COMBUSTION SLEEVE
TIGHT AGAINST FRONT
DOOR INSULATION
SUPPORT BLOCK
LOCATION INDICATOR TAB
NOTCH IN SUPPORT BLOCK
OVER FRONT FLUE PLATE
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