Check Valve Access Instructions:
1. Disconnect power to furnace/AC unit. Unplug the pump. Disconnect the
tubing; drain the pump.
2. Place the pump on a flat surface. Squeeze the tabs on either side on the
check valve to release it. The check valve contains a small duckbill. Be careful
not to lose it when pulling of the valve. (Figure 8)
3. Check for dirt/ algae build up. The duckbill in the valve should be free to
open and close. Clear obstructions or replace as needed.
4. Place the new or cleaned duckbill over the discharge hole.
5. Press down on the check valve fitting until it locks in place.
6. Test the pump using the above procedure.
Removing the motor/switch cover:
1. Disconnect power to furnace/AC unit. Unplug the pump. Disconnect the
tubing; drain the pump.
2. Place the pump on a flat surface. Remove the Phillips screw on upper cover
next to power cord.
3. Insert a flat screwdriver into slot opposite power cord. Using the
screwdriver squeeze the snap on the upper cover releasing it. (Figure 9)
4. Next pivot the cover about the area at the cord and pull up to release.
Attach the motor/switch cover:
1. Align cover with pump. Insert tabs into slots at cord area. Keep the
cover at a ten degree angle to the pump.
2. Pivot cover about cord area and press down until the cover snaps in
place.
3. Reattach screw at the cord.
Figure 8
Figure 9
P/N 900173 REVC
Keep these sheets with the pump. They may be valuable if service is needed under the terms of the warranty.
Model # Date of installation:
Installer: Date Code:
Dealer:
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