3
FURNACE COMPONENTS
2
Variable Speed blower circulates air across the
heat exchanger to transfer heat into the home.
Stainless steel combustion chamber/primary
heat exchanger.
Unique silencer system reduces combustion
noise.
Heat exchanger designed and shaped to effi-
ciently transfer heat from furnace into the home.
Fully insulated internal walls to minimize heat
loss.
Supply-air plenum.
High limit control to prevent overtemperature
operation.
Reversible door provides easy access to burner
and controls.
High-performance oil burner.
Adjustable electronic fan control (inside) with
low-voltage electrical terminal strip for easy
connection of thermostat, cooling control, elec-
tronic air cleaner, and humidifier.
Access door to air filters and blower.
Air filter (field-supplied).
Return-air plenum.
1
2
3
4
5
6
7
8
9
10
11
12
13
12
11
10
9
8
7
6
5
4
3
2
1
Left side, right side, or bottom.
13, 14SEE NOTES: