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WELCOME TO TODAY’S
GENERATION OF COMFORT
Congratulations! Your new, higher efficiency gas furnace is a
sound investment which will reward you and your family
with years of warm memories winter after winter.
Not only is your new furnace energy efficient, it is also ex-
tremely reliable. Spend just a few minutes with this booklet
to learn about the operation of your new furnace—and the
small amount of maintenance it takes to keep it operating at
peak efficiency. Years went into the development of your new
furnace. Take a little time now to assure its most efficient
operation for years to come.
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MODEL 393AAV
Upflow Furnace
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11
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10
12
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4
8
7
5
13
9
6
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14
17
15
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UPFLOW FURNACE
COMPONENTS
Inducer
Rating Plate (Model and Serial No.)
Gas Valve Control Knob or Electric Switch
(On/Off)
Gas Valve
Gas Burner
Flame Sensor
Air Filter Retainer
Air Filter
Blower and Blower Motor
Blocked Vent Safeguard Tube and Switch
Gas Manifold
Replaceable Fuse Link
Hot Surface Ignitor
Blower Door Safety Switch
Masonry Chimney Adapter (When Used)
(Blocked Vent Shutoff Switch Inside)
Vent Pipe
Furnace Control
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3
4
5
6
7
8
9
10
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12
13
14
15
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