PRODUCT DESCRIPTION
Models
3
PRODUCT DESCRIPTION
This submersible pump is for use in basins or lift stations and is suitable for pumping clear water and other
non-explosive, non-corrosive liquids. Do not use the pump in applications where sewage or any other debris
(gravel, sand, floating debris, etc.), abrasives, or corrosives are present.
These products have been carefully tested, inspected, and packaged to ensure safe delivery and operation.
Please examine your pump carefully to ensure that no damage occurred during shipment. If damage has
occurred, please contact the place of purchase. They will assist you in replacement or repair, if required.
The pump motor is equipped with an automatic resetting thermal protector, and may restart unexpectedly.
Thermal Protector tripping is an indication of motor overloading or overheating, which can be caused by
application issues such as an obstructed pump impeller, float stuck in the ON position, pump running dry,
pump air-locked, pump short cycling, excessively high or low voltage supply, or possibly a pump, motor,
bearings, or seal that have reached the end of their useful life.
This product is covered by a Limited Warranty for a period of 36 months from the date of original purchase
by the consumer. For complete warranty information, refer to www.redlionproducts.com
; or call Technical
Support for a printed copy.
Models
Flow Rates
Specifications
Model HP Amps Voltage Float Type On/Off Levels Minimum Basin Diameter
RL-SC33T 1/3 4.3 115 Tethered 13” (330 mm)/5” (127 mm) 18” (457 mm)
RL-SC33V 1/3 4.3 115 Vertical 7” (178 mm)/2.25” (57 mm) 15” (381 mm)
RL-SC50T 1/2 5.3 115 Tethered 13” (330 mm)/5” (127 mm) 18” (457 mm)
RL-SC50V 1/2 5.3 115 Vertical 7” (178 mm)/2.25” (57 mm) 15” (381 mm)
Gallons/Liters per Hour
At Height: (Head) 5 ft (1.5 m) 10 ft (3 m) 15 ft (4.5 m) 20 ft (6.1 m) Shut Off
RL-SC33T 3000 / 11356 2460 / 9312 1860 / 7041 960 / 3634 25 ft (7.6 m)
RL-SC33V 3000 / 11356 2460 / 9312 1860 / 7041 960 / 3634 25 ft (7.6 m)
RL-SC50T 3840 / 14536 3000 / 11356 2220 / 8404 1440 / 5451 28 ft (8.5 m)
RL-SC50V 3840 / 14536 3000 / 11356 2220 / 8404 1440 / 5451 28 ft (8.5 m)
Discharge Size 1-1/2" FNPT
Intake Size 3/8" (9.5 mm) screened opening
Pump Housing Cast iron (including volute and screen)
Impeller Vortex design
Motor Single phase PSC with automatic reset thermal overload protection
Hardware 300 series stainless steel
Bearings Ball bearings
Pump Shaft Seal Mechanical, spring-loaded, stationary carbon with Nitrile boot and rotating ceramic seat
Cooling
The motor housing contains oil to cool the motor and to lubricate the bearings and seals. These pumps can
be operated with the motor housing partially exposed for extended periods of time. However, for the best
cooling and longest motor life, the liquid level being pumped should normally be above the top of the
pump housing.
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