Specifications

26
440 01 1024 04
Specifications are subject to change without notice
OFF
ON
AIRFLOW
Figure 18
Horizontal Right through Top
3
/
16
 (4.8mm) ID Rub
ber Tube
25−24−70b
Single Pressure Switch Detail
Dual Pressure Switch
Tee Trap White PVC
(loose parts bag)
WARNING
Add Cap and Clamp
Drain Tube Black Rubber
1
/
2
 (12.7mm) ID & Clamps
EXHAUST
Alternate Orientation
Field
Supplied Tee
Cut Here
Drain Tube Corrugated
5
/
8
 (15.9mm) ID &
Clamps Cut at straight section
Leave room for clamp
Flexible Tubing Connector
3
/
16
 (4.8mm) OD (Loose
Parts Bag)
Plastic Cap
Yellow or black
Vent Drain
& Clamps
INLET
On Some Models
ONLY
Coupling & Clamps
(Optional)
Relief Tube Black Rub
ber
3
/
16
 (4.8mm) ID
Drain Tube Black
Rubber
1
/
2
 (12.7mm)
ID & Clamps
Relief Tube Extension
Black Rubber
3
/
16
 (4.8mm) ID
Cut to Fit (Loose Parts Bag)
Barbed Coupling
1
/
2
 (12.7mm)
OD (Loose Parts Bag)
Representative drawing only, some models may vary in appearance.
Remove KO before
mounting Trap
Trap Connection
“Clamp ears”
Pointed OUT
Preassemble &
insert into furnace
Horizontal Right through Top (See Figure 18)
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.
Remove knockout from the side of the furnace casing where drain
tube will exit.
Mount the trap externally to the bottom side of the unit using the
two screws provided in the location shown.
Cut the corrugated tube as shown in the illustration above.
Connect the corrugated hose from the transition to the trap.
Secure connections with clamps.
Connect the black
1
/
2
″ (12.7mm) ID drain tube from the Vent Drain
to the trap. If an extension is required, use the black
1
/
2
″ (12.7mm)
OD barbed coupling and the black
1
/
2
″ (12.7mm) ID drain tube in
the loose parts bag. Cut tube to length. Secure connections with
clamps.
Connect the
3
/
16
″ (4.8mm) ID relief tube to the middle port on the
trap. If an extension is required, use the clear
3
/
16
″ (4.8mm) OD
flexible tubing connector and the black
3
/
16
″ (4.8mm) ID relief tube
in the loose parts bag. Cut tube to length.
Cut an appropriate length of 2″ (50.8mm) PVC pipe, fittings and
extension pipe long enough to exit the cabinet and connect the
vent drain to a standard field supplied 2″ (50.8mm) PVC tee
Install tee trap into bottom section of tee.
Connect the tee trap and the main drain line exiting the casing as
shown in Figure 20.
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.