25
Cut Here
Drain Tube Corrugated
5
/
8
″″
ID & Clamps
Cut at straight section
Leave room for clamp
IN
ON
OF
F
V
E
N
T
Relief Tube Rubber Tube
3
/
16
″
ID
Trap Connection
“Clamp ears”
Pointed OUT
Preassemble &
insert into furnace
Single Pressure Switch Detail
Dual Pressure Switch
Tee Trap
White PVC
(loose parts bag)
WARNING
Add Cap and
Clamp
Flexible Tubing Connector
3
/
16
″
OD (Loose Parts Bag)
Drain Tube Black Rubber
1
/
2
″
ID & Clamps
EXHAUS
T
Alternate Orienta-
tion
Field
Supplied Tee
Relief Tube Extension
Black Rubber
3
/
16
″
ID
Cut to Fit (Loose Parts Bag)
Plastic Cap
Yellow or black
Vent Drain
& Clamps
INLET
On Some Models
ONLY
Coupling & Clamps
(Optional)
AIRFLOW
Barbed Coupling
1
/
2
″
OD
(Loose Parts Bag)
Elbow Tube Black Rubber
1
/
2
″
ID & Clamps (Loose Parts Bag)
Representative drawing only, some models may vary in appearance.
A07711
Fig. 17 -- Horizontal Right through Top
Horizontal Right through Top (See Fig.
17)
S
Disconnect the hoses from the trap assembly, and remove trap
and trap mounting bracket from the blower compartment.
Using cover plate and gasket provided in the loose parts bag,
cover the hole from the burner compartment to the blower
compartment and secure with screws.
S
Remove knockout from the side of the furnace casing where
drain tube will exit.
S
Mount the trap externally to the bottom side of the unit using
the 2 screws provided in the location shown.
S
Cut the corrugated tube as shown in the illustration above.
Connect the corrugated hose from the transition to the trap.
Secure connections with clamps.
S
Connect the black
1
/
2
″
(13 mm) ID drain tube from the Vent
Drain to the trap. If an extension is required, use the black
1
/
2
″
(13 mm) OD barbed coupling and the black
1
/
2
″
(13 mm) ID
drain tube in the loose parts bag. Cut tube to length. Secure
connections with clamps.
S
Connect the
3
/
16
″
(5 mm) ID relief tube to the middle port on
the trap. If an extension is required, use the clear
3
/
16
″
(5 mm)
OD flexible tubing connector and the black
3
/
16
″
(5 mm) ID
relief tube in the loose parts bag. Cut tube to length.
S
Cut an appropriate length of 2
″
(51 mm) PVC pipe, fittings
and extension pipe long enough to exit the cabinet and connect
the vent drain to a standard field supplied 2
″
(51 mm) PVC tee
S
Install tee trap into bottom section of tee.
S
Connect the tee trap and the main drain line exiting the casing
as shown in Fig. 19.
NOTE
: It is recommended that all PVC piping and fitting
connections be fit up and inspected before final cementing. Both
the external trap and the external tee trap must be primed before
operation. Verify all condensate drain connections are securely
clamped. A coupling and clamps (in loose part bag) may be
installed as shown for future servicing of the vent system.
359AA
V
