WELCOME TO TODAY'S
GENERATION OF
COMFORT
Congratulations! Your new, high-
efficiency gas furnace is a sound invest-
ment 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 extremely reliable
and supplies superior home comfort.
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 opera-
tion for years to come.
UPFLOW FURNACE COMPONENTS
1
Relief Box
2
Rating Plate
3
Gas Valve Control Knob or Electric Switch (On/Off)
4
2-Stage Gas Valve
5
Manual Reset Flame Rollout Switch
6
Gas Burner
7
Flame Sensor
8
Hot Surface Ignitor
9
Status LED Light
10
Blower and Blower Motor
11
Draft Safeguard Tube and Switch
12
Gas Manifold
13
Blower Door Safety Switch
14
Filter Retainer
15
Air Filter
MODEL 58TUA
UPFLOW FURNACE
1
7
8
9
10
2
1
MODEL 58TMA
DOWNFLOW/
HORIZONTAL FURNACE
2
3
4
5
6
2
11
12
13
14
15
3