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25
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ON
AIRFLOW
3
/
16
″
(4.8mm) ID Rub-
ber Tube
Trap Connection
“Clamp ears”
Pointed OUT
Preassemble &
insert into furnace
25 --24 --70b
Single Pressure Switch Detail
Dual Pressure Switch
Tee Trap WhitePVC
(loose parts bag)
WARNING
AddCapandClamp
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 PartsBag)
Representative drawing only, some models may vary in appearance.
Remove KO before
mounting Trap
A07711
Fig. 18 -- Horizontal Right through Top
Horizontal Right through Top (See Fig. 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(2) 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
S A2″ (50.8mm) PVC coupling fastened onto the drain tee
Install tee trap into bottom section of tee and glue pipe.
Connect the tee trap and the main drain line exiting t he casing as
shown in Fig. 18.
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 c oupling a nd clamps (in loose part bag) may
be installed as shown for future servicing of the vent system.
58HDV