Star S1503 User Manual
STAR
SW0726 0911
Supersedes 0211
®
MODEL S1503
Star Model S1503 is a high capacity, high efficiency water
powered back-up system. With no electricity or batteries
required, the S1503 takes over seamlessly when your primary
sump system fails.
The S1503 comes fully assembled for fast, easy and troublefree installation. The small footprint allows for installation
in even the smallest sump pits. With superior performance
and discharge capacity, it uses less water and costs less to
operate.
The S1503, installed as a back-up system, does not use any
water until the primary system malfunctions or in the case of
power failure. Water flow is equivalent to a normal faucet and
is required only when the S1503 is operating. Not intended
for use as a primary water removal unit.
COMPARE THESE FEATURES
• No electricity required
• Municipal/city water
pressure powered system
• Removes up to 19 gallons
of water per minute
• Works during power
failures
• No battery to charge
• On guard 24 hours a day
• Helps eliminate flooding
in basements
• Ideal standby to an
electric sump pump
• Can be used with any
existing brand of sump
pump
• Comes 100% pre-
assembled
• Small footprint
• Efficient water usage
• High capacity, high head
• Includes push-to-connect
• Engineered for trouble-
• Non-corrosive materials
• Operates at max. water
• PVC construction with
supply fitting (field
installed)
free operation
pressures up to 80 PSI
corrosion resistant
stainless steel float
rod for maximum
dependability
U
P
C
Primary sump pump
not included.
© Copyright 2011 Star Water Systems. All rights reserved.
FEET
METERS
14
45
40
12
35
10
30
8
25
TOTAL DYNAMIC HEAD
20
6
15
4
10
2
5
0
GALLONS
LITERS
0
PUMP PERFORMANCE
CURVE
MODEL S1503
80 PSI
60 PSI
40 PSI
20 PSI
5 10
20 40
FLOW PER MINUTE
15
20
8060
IL1080
Total Dynamic Head/Flow per
Minute
Model S1503
Dewatering Only UPC #
Feet 20 PSI 40 PSI 60 PSI 80 PSI
5 7. 7 12.7 19.0 20.0
10 3.4 12.7 19.0 20.0
15 - 7. 4 15.0 20.0
20 - 2.0 11. 1 20.0
25 - - 7. 1 15.3
054757076658
30 - - 3.2 10.9
35 - - - 6.4
40 - - - 1.8
Shut-off Head: 14.0 ft. 22.0 ft. 34.0 ft. 42.0 ft.
Pump capacity varies due to: Inlet Water Pressure, Working Water
Pressure, Discharge Elevation, Number of Pipe Fittings, Inlet and
Outlet Pipe Size, Fluid Viscosity, Degree of Water Clarity, Water
Temperature. The flow rates in the chart are approximate values.
25
NOTE: Some districts may require a reduced pressure principle
backflow preventer per ASSE Standards 1013. Check Local Codes.
Typical Installation with Submersible Pump
and Separate Discharge Pipe
STAR
SK2721b
95 North Oak St. | Kendallville, IN 46755 | 800-345-9422
®
starwatersystems.com
© Copyright 2011 Star Water Systems. All rights reserved.
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