Product Manual

ManualsBrandsBasement Watchdog ManualsPlumbing ProductSpecial + Battery Backup Sump Pump System

Page 7

Pump & Pipe

Installation Instructions

INSTALLATION D:

CONNECTION TO EXISTING DISCHARGE PIPE

FOR NARROW SUMP PITS

(Diagram D)

Depending on your installation requirements, PVC

pipe lengths will vary. Cut the pipes and assemble

them as shown in photo #8. Do not cement them

together until you are sure they are cut to the

correct lengths. It is important to keep the

discharge pipes on both pumps parallel to each

other, so that the pumps remain flat on the floor

of the sump. More detailed instructions follow.

Unplug the main AC pump when installing the

backup pump to avoid electric shock. Failure

to do so could cause serious injury or death.

1. Attach an “L” bracket to the discharge pipe of

the main AC pump with two (2) stainless steel

hose clamps. Position the bracket so the

bottom of the “L” is just above the top of the

main pump, and out of the way of any float

switch on the main pump.

2. (a) Remove the black bottom strainer of the

pump by pressing in the two tabs on the

strainer and pushing down. There are holes

suitable for mounting on the bottom of the

strainer. (b) Using the #8-32 x ¾” stainless

screw, washer and nut, attach the strainer to

the “L” bracket. (c) Once the strainer is

attached, simply press the rest of the pump

onto the mounted strainer.

3. Secure the pump wire so that the plug on the

end will not fall into the sump. Attach the

wire to the pipe with a piece of tape.

4. Cut a piece of 1½” rigid PVC pipe long enough

to reach from the elbow on the backup pump

to one (1) foot above the floor. Prime and

cement it to the 1½” pipe adapter, then screw

the adapter into the pump.

5. Install a check valve on the top of the PVC

pipe attached to the Basement Watchdog

pump. Make sure it is installed with the arrow

pointing up or it will not prevent the backflow

of water.

6. When a check valve is used, a 1/8” hole

must be drilled in the PVC pipe above the

Basement Watchdog pump. Make sure it is

above the water line and below the check

valve. Drill the hole at a 45º angle toward

the bottom of the sump to avoid splashing

water outside the sump pit. If a 1/8” hole

is not drilled above the pump, an air lock

may prevent the pump from operating.

7. If there is no check valve on the discharge

pipe of the main AC pump, one must be

installed at this time. Cut the discharge pipe

approximately one (1) foot above the floor.

Install a check valve on the pipe and tighten

the bottom hose clamp. Now prime and

cement a small piece of 1½” PVC pipe to the

bottom of a “Y” connector. Prime and cement

the top of the “Y” assembly to the discharge

pipe with the “Y” extension facing down

toward the backup pump. Now connect the

bottom of the assembly to the check valve and

tighten the hose clamp.

Failure to install a check valve between the “Y”

connector and the Main AC pump will cause the

backup system to not operate properly. A 1/8”

hole must also be drilled in the PVC pipe above

the Main AC pump.

8. Connect a piece of 1½” PVC pipe above the

check valve of the Basement Watchdog pump,

and attach a 45° elbow to that pipe. Extend

another piece of pipe to reach from the 45°

elbow to the “Y” connector on the other pipe.

9. Prime and cement all pipe connections

securely to prevent leaking, and tighten all

the hose clamps.

CAUTION

DANGER

FLOOR

JOIST

BRICKS

PUMP WIRE

“L” BRACKET

PIPE ADAPTER

MAIN

AC PUMP

RIGID

1-1/2"

PVC PIPE

RIGID

1-1/2"

PVC PIPE

CHECK

VALVE

1/8" HOLE

45º ELBOW

"Y"

CONNECTOR

CHECK

VALVE

DRAIN TILE

HOSE CLAMPS

1/8” HOLE

SLOPE

PIPE

DOWN

BASEMENT

WATCHDOG

PUMP

5 6

Diagram D

“L”

BRACKET

CAUTION