Installation
5
Primary Pump Discharge
Pipe (cut to fit)
Primary Sump Pump
Discharge Port
Primary Sump Pump
Check Valve
Flow Arrow; Must point
AWAY from Pump being
Protected
1-1/2"x1-1/4" Slip Reducer
Bushing*
#
1-1/2"x1-1/2" Slip Coupling*
Not to scale;
wiring omitted
for clarity.
1-1/2"x 1-1/2" slip x
1-1/4" FNPT Tee*
1-1/4”x1-1/4”
Check Valve
Assembly*
PTFE pipe thread sealant
tape on all threaded joints
Battery Back Up
Sump Pump*
Auxiliary Check Valve*
(See Important Check Valve
Warranty Note, Below)
Alternate Installation
for a Shallow Sump
“Easy Install” Layout
5763 0108
†
1-1/4”x1-1/4”
Close Nipple*
Switch with Clamp*
##
NOTICE
#
†
* Supplied with the Battery Backup System.
Use if necessary to adapt a 1-1/4” discharge pipe to the 1-1/2” fittings supplied.
Use to adapt the auxiliary check valve to the discharge pipe.
Water level when the switch shuts off must be above the BBU pump intake.
##
Discharge pipe
cutoff piece
Upper Discharge pipe
Hose Coupling with Clamps*
1-1/2"x1-1/4" Slip
Reducer bushing*
†
Check Valve Flapper(s) must swing in direction shown.
Flow arrow(s) must point AWAY from pump being protected.
The 1-1/4” X 1-1/4” Check Valve Assembly must be installed
as shown or the warranty is void. Do not use a wrench (see
Installation Step 4, Page 3)! If the Primary Sump Pump
does not have a check valve installed as shown below the
Tee, the Auxiliary Check Valve must be installed as shown
or the warranty is void.
IMPORTANT CHECK VALVE/WARRANTY NOTE:
Figure 2 - Typical Installation Layouts
Summary of Contents for CL1800DC
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