Sears 9MPD125L20B1 - Manual (Page 18)

Disconnect the black Drain Tube between the drain vent and the
Trap.
Rotate the inducer 180° for a right side vent after loosening the 4
inducer attachment screws. Reinstall and retighten the inducer
screws to
20 " pounds torque.
Using the V 2 " OD barbed coupling in the loose parts bag connect
together with the 2 short V 2 " ID elbow tubes and connect the lower
discharge port of the vent drain to the Trap. Secure all connections
with clamps.
Install the vent pipe grommet into the casing
Cut an appropriate length of 2" PVC pipe long enough to exit the
cabinet and connect the vent drain to either:
• A standard field supplied 2" PVC tee (N9MP1 and 2 mod­
els), or
• A 2" PVC coupling fastened onto the Drain Tee (''9MPD
models)
Install Tee Trap into bottom section of Tee.
Remove plug from the side of the furnace casing where Drain Tube
will exit.
Install casing grommet (black rubber % ' ID grommet - in loose
parts bag)
Install the V 2 " CPVC street elbow on discharge of Trap
Install the black PVC tube connector (^/ 4 '' PVC x V 2 " CPVC from
loose parts bag) as shown in the illustration above
Cut the black Drain Tube (®/g" ID - in loose parts bag) to length to
fit between Trap and tube connector through grommet.
Clamp both ends of the Drain Tube using clamps provided.
Glue the CPVC street elbow to the Trap using appropriate cleaner
and solvent cement.
Connect the Tee trap and the main drain line exiting the casing as
shown in Figure 18.
Note: It is recommended that all PVC piping and fitting connec­
tions be fit up and inspected before final cementing. Both the in­
ternal 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.
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