P
877-768-2717
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877-276-POOL [email protected] www.aquastarpoolproducts.com
If water level is too low, the pump may remove all water
from the skimmer causing the float valve to close, diverting
pump suction to equalizer (or main drain) line allowing
some water to reach the pump. Float valve will remain
closed until pump stops. If pump starts again before
stoppage is cleared, float will close again until pool water
level returns to normal.
WARING! LOW WATER LEVEL CAN MAKE IT DIFFICULT TO
EXIT POOL AND MAY DAMAGE PUMP AND OTHER POOL
EQUIPMENT.
Note: An equalizer line is a way to bypass the skimmer
and it is intended to prevent damage to the pump when
pool water level is below the throat of the skimmer or
the basket is full. You must check your local code as some
require equalizer lines, others don't allow them and others
leave it to the pool designer. When equalizer line is used
the cover inside the pool must be VGb compliant, meeting
the requirements of ASME/ANSI 112.19.8a-2008 or ANSI/
APSP-16.
At Least 4
Times Pipe
Diameter
To Pump
Suction
From Pool
Main Drains
Adjust Shut-off
Valves to
Balance Flow
To Pump
Suction
Float
Valve
Adjust
Trimmer Plate
to Balance Flow
From Pool
Main Drains
Plug
TYPICAL RESIDENTIAL INSTALLATION
Flow
Through
Skimmer
Equalizer
Line
To Pump
Suction
Float
Valve
Open
2"
2 1/2"
No Flow
Over
Weir
From
Equalizer
Line
To Pump
Suction
Float
Valve
Shut
Plug Equalizer (or
Main Drain Port)
Equalizer
Line
To Pump
Suction
Remove Float
Valve
Pool Vacuum
Hose
Vacuum Plate
TYPICAL PUbLIC POOL SKIMMER INSTALLATION WITH EQUALIzER LINE INSTALLED
Figure 4: Typical residential
installation without float valve.
Use with at least two suction outlets.
Figure 5: Typical residential
installation with float valve.
Use with at least two suction outlets.
Figure 1: Normal operation: float
valve open.
Figure 3: Vacuuming pool; float and
check valves removed, equalizer
port plugged.
Figure 2: Equalizer operation;
float valve closed.
