1/2 HP GENERAL PURPOSE
Part
Description
Quantity A Priming port plug
1
B
3/4” NPT x 3/4” garden hose fitting
2
C
Pump
1 D Suction strainer
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PERFORMANCE AT 10 FT. LIFT USING 3/4” HEAVY DUTY GARDEN HOSE
Discharge height above pumping level (head)
5 ft.
10 ft.
15 ft.
20 ft.
25 ft.
30 ft.
35 ft.
Gallons per minute
17.3
16.5
15.5
14.6
13.4
12.2
11.2
A D B C B
WATER TRANSFER PUMP
MODEL: WSTPC50
PACKAGE CONTENTS
Questions, problems, missing parts? Before returning to your retailer, call our customer
service department at 1-800-346-7611, 8 a.m. – 5 p.m., EST, Monday – Friday.
Max head at 0 ft. suction lift is 99 ft.
SPECIFICATIONS
Power supply required ................................................................................................. 115V, 60 HZ
Water temperature range .................................................................................... Max. 113°F (45°C)
Individual branch circuit required ......................................................................... 15 Amp minimum
Operating water depth – beginning minimum.......................................................................... 1/4 in.
Inlet & discharge connection ................................................................... 3/4 in. garden hose thread
Discharge hose diameter ..................................................................................5/8 in. minimum I.D.
Discharge hose length .................................................. 50 ft. maximum recommended hose length
Motor ...................................................................................................... Series wound (Brush type)
Power cord .................................................................................................. SJTW, 16AWG/3C, 8 ft.
CONSTRUCTION
Motor housing ............................................................................................................ Thermoplastic
Pump housing .................................................................................................................... Cast iron
Impeller ................................................................ ................................ ...................... Thermoplastic
SAFETY INFORMATION
Please read and understand this entire manual before attempting to assemble, operate or install the
product. If you have any questions regarding the product, please call customer service at
1-800-346-7611, 8 a.m. - 5 p.m., EST, Monday - Friday.
WARNING
• Always make sure the pump is unplugged as soon as the water level reaches 1/4 in. when using
the suction strainer. At water levels less than 1/4 in., the pump is attempting to pump air, which
will cause the pump to overheat. Running the pump without sufficient water will damage the
pump and void the pump’s warranty.
• Do not pump flammable or explosive liquids such as oil, gasoline, kerosene, ethanol, etc. Do not
use in the presence of flammable or explosive vapors. Using this pump with or near flammable
liquids can cause an explosion or fire, resulting in property damage, serious personal injury
and/or death.
• Always disconnect the pump from its power source before inspection.
• Do not stand in water when the pump is connected. Do not handle the pump with wet hands.
• Do not touch the pump housing while it is operating, as the pump may be HOT and can
cause serious skin burns.
• Do not disassemble the motor housing. This pump has NO repairable internal parts,
and disassembling may cause dangerous electrical wiring issues.
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CAUTION:
• This transfer utility pump is designed for portable applications. It can drain or remove water
from the following: fish tanks, water heaters, pits, sinks, window wells, basements, swimming
pool covers, boats, low spots in yards, or other flooded areas. It can also be used for
temporary pressure boosting for washing cars, washing boats, or cleaning off driveways.
• This pump is not designed to function as a permanently installed pump. It is also not engineered
to be run continuously as a “fountain” or “waterfall” pump. The pump should be used with a 5/8 in.
or larger inside diameter garden hose.
• For safety, the pump motor has an automatically resetting thermal protector that automatically
will turn off the pump if it becomes too hot. Overuse of this feature will damage the pump and
void the warranty.
• Once the thermal protector detects that the pump has cooled to a safe temperature, it will allow
the pump to operate normally. If the pump is plugged in, it may restart unexpectedly.
Additional Safety Precautions
1. Know the pump applications, limitations, and potential hazards.
2. Make certain the electrical power source is adequate for the requirements of the pump.
3. ALWAYS disconnect the power to the pump and drain all water from the system before servicing.
4. Secure the pump on a solid base as close to the source of water as possible.
5. Secure the discharge hose before starting the pump. Pump torque may cause an unsecured
discharge hose to “whip”, possibly causing personal injury and/or property damage.
6. Before using the pump, check the hose for holes or excess wear, which could cause leaks, and
ensure hose is not kinked or making sharp angles. A straight hose allows the pump to move the
greatest amount of water quickly.
7. Check that all hose connections are tight to minimize leaks.
8. Connect the pump directly to a grounded GFCI outlet.
9. Extension cords may not deliver sufficient voltage to the pump motor. Extension cords present a
life-threatening safety hazard if the insulation becomes damaged or the connection ends fall into
water. If extension cords must be used, use the heaviest gauge cord possible.
10. Make certain the electrical circuit to the pump is protected by a 15-amp or larger fuse or circuit
breaker.
11. Periodically inspect pump and system components to ensure that the pump inlets are free of mud,
sand, and debris. DISCONNECT THE PUMP FROM THE POWER SUPPLY BEFORE
INSPECTING.
12. Wear safety glasses at all times when working with pumps.
13. Follow all electrical and safety codes, particularly the National Electrical Code (NEC) and in the
workplace, the Occupational Safety and Health Act (OSHA).
14. This unit is designed only for use on 115 volts (single phase), 60 Hz, and is equipped with an
approved 3-conductor cord and 3-prong, grounding-type receptacle. Do not use the pump with a
2-prong wall outlet. Replace the 2-prong outlet with a properly grounded 3-prong receptacle (a
GFCI outlet) installed in accordance with the NEC and local codes and ordinances. All wiring
should be performed by a qualified electrician.
15. Protect the electrical cord from sharp objects, hot surfaces, oil, and chemicals. Avoid kinking the
cord. Do not use damaged or worn cords.
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PREPARATION
WARNING: Always use handle to lift pump. Never use power cord to lift pump. To avoid skin
burns, unplug and allow time for the pump to cool after periods of extended use.
Estimated Assembly Time: 5 minutes
Materials Required for Assembly (not included): Thread tape, 3/4 in. heavy duty garden hose (for
suction), 3/4 in. standard garden hose (for discharge)
Optional items: Foot valve to hold prime, double female garden hose connector (for
connecting to existing water line for pressure boosting)
Note: If a standard garden hose is used for the suction line, the hose could collapse from the pressure,
allowing the pump to run dry. This could cause permanent damage and void the warranty.
INSTALLATION INSTRUCTIONS – TRANSFERRING WATER
WARNING: Secure the pump on a solid base before use.
CAUTION: Never install a shutoff valve in the suction or discharge of this pump. This will
cause excessive friction loss and will damage the pump and void the warranty.
CAUTION: All connections must be air tight. A single leak will prevent proper operation of
the pump and may cause the pump to run dry. If the pump runs dry, this will void the warranty.
1. Installing the pump:
a. Threaded hose fittings (B) are furnished for
attaching garden hoses (sold separately).
Wrap threads of the hose fittings with thread
tape before threading into pump (C).
b. In no case should the pump be more than 15
ft. above or away from the inlet source.
c. The inlet line may be galvanized pipe, plastic
pipe, or reinforced hose. Small leaks in the
suction line greatly reduce the efficiency of the
pump and may prevent priming.
d. You can use a standard garden hose (sold
separately) as the discharge line (1).
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1
2. Use the strainer (D) when pumping from a creek,
1
2
B
C
pond, or source where debris may be sucked into
the pump. The strainer should prevent debris from
entering the inlet line (2).
Note: To prevent re-priming during periods of frequent
stopping and restarting of the pump (C), install a foot
valve (sold separately) instead of the included suction
strainer
(D).
The foot valve will keep the pump primed
when it is turned off.
Caution: Even when using a foot valve, do not leave the
pump permanently installed.
INSTALLATION INSTRUCTIONS – PRESSURE BOOSTING
WARNING: If the nozzle on the discharge is shut off for an extended period of time, this may
cause damage to the pump and/or hose and will void the warranty. If the nozzle is closed for more
than 5 seconds, you must turn off the pump.
CAUTION: In order to properly boost pressure, your inlet water pressure must be between 11
PSI
and 29 PSI.
1. Installing the pump:
a. Threaded hose fittings (B) are furnished for
attaching garden hoses (sold separately).
Wrap threads of the hose fittings with
thread tape before threading into pump (C).
b. The inlet (2) and discharge lines (1) can be
regular garden hoses.
c. Connect double female hose connector
(sold separately) to the suction side of the
pump.
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OPERATING INSTRUCTIONS – TRANSFERRING WATER
WARNING: This unit is not waterproof or weatherproof and is not intended to be used in showers,
saunas, or other potentially wet locations. The motor is designed to be used in a clean, dry location
with access to adequate cooling air. Ambient temperatures around the motor should not exceed 104˚F
(40˚C).
1. Prime and run the pump:
Note: The pump must be filled with water before
operation. Running the pump dry will cause
damage to the shaft seal and will void the warranty.
a. Remove the priming plug (A) and fill the
pump (C) with water. Wrap plug threads
with thread tape (sold separately), then
re-thread the plug into the priming port. All
connections must be air tight. A single leak
will prevent proper operation of the pump
and may cause the pump to run dry. This
will void the warranty.
b. Insert the inlet hose (with strainer (D)
attached or a 3/4 in. foot valve) into the
water to be removed.
c. Plug the power cord into a GFCI protected
electrical outlet. The pump will prime in a
few minutes depending on the suction line
length.
d. To turn the pump off, unplug the power cord.
OPERATING INSTRUCTIONS – PRESSURE BOOSTING
1. Prime and run the pump:
a. Turn the water source on. This will force
the pump (C) to prime.
b. Plug the power cord into a GFCI protected
electrical outlet.
c. When done boosting pressure,
immediately unplug the pump (C).
d. Shut the water supply off.
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Item
Description
Quantity
1
Pump body
1
2
3/4" garden hose adapter
2
3
Priming port plug
1
4
Impeller
1
5
Shaft seal
1
6
O-ring
1
7
Seal plate
1
8
Screw parts
4
9
Motor
1
10
Power cord
1
*11
Brush and cap assembly
2
12
Rubber base
1
*Replace after extended usage; call for all replacement items
If the pump is not running properly, remove the brushes (11) on both sides
of the motor. Remove the four pump housing bolts (8). Carefully remove
the motor (9). Then, you must turn the impeller (4) counterclockwise to
remove from the motor. Inspect the impeller, the shaft seal kit (5), the
O-ring (6), and the seal plate (7) for damages. If there are any damages to
these parts, please contact the pump experts at 1-800-346-7611.
CARE AND MAINTENANCE
DANGER: Risk of electric shock. Always disconnect the electrical supply before attempting to
install, service, or perform any maintenance. If the power source is out of sight, lock and tag in the
open (off) position to prevent unexpected power application. Failure to do so could result in fatal
electrical shock. Only qualified electricians should repair this unit. Improper repair could result in fatal
electrical shock.
WARNING: Allow the pump to cool for at least 20 minutes before attempting to service. The
motor may be extremely hot. Personal injury may result.
Replacing the brush
If the pump fails, this could be due to worn brushes or
carbon build-up. Worn brushes are not covered under
warranty.
1. Disconnect the power cord from the power supply.
2. Remove the brush cap (1) with a screwdriver.
3. Remove the old brush assembly (2).
4. Insert a new brush assembly.
5. Replace the brush cap (1).
Caution: There is a brush assembly on both sides of the
motor. Always replace both brush assemblies at the
same time to prevent damage to the pump.
Maintaining the impeller
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TROUBLESHOOTING
Problem
Possible Cause
Corrective Action
Pump does not
start or run
1. Blown fuse/tripped breaker
2. Low voltage
3. Worn motor brushes
4. Blocked impeller
5. Defective motor
1. Replace fuse or reset breaker
2. If using extension cord, use heavier gauge and
shorter cord.
3. See care and maintenance section
4. Remove the blockage
5. Call 1-800-346-7611
Pump will not
prime or retain
prime after
operating
1. Air leak in suction line
2. Impeller is blocked
3. Seal is worn
4. Suction lift is too high
5. Kinked/angled hose
6. Fittings are not tight
7. Suction hose is out of water
8. Inlet is clogged
1. Repair or replace suction line
2. Remove the blockage
3. Replace the seal or O-ring
4. Move pump closer to water; max lift is 25 ft.
5. Straighten the hose
6. Tighten the fittings; use thread tape
7. Re-submerge the suction hose
8. Clean the inlet
The flow rate is
too low
1. Hose diameter is too small
2. Discharge hose is too long
1. Increase to 3/4 in. hose or 1 in. PVC pipe
2. Decrease discharge hose to as short as possible
WARRANTY
This product is warranted against manufacturing defects for a period of 12 months from the date of purchase.
Any misuse, abuse, or modification automatically voids this warranty. This distributor will repair or replace the
pump if, in its sole determination, the pump failed due to defects in materials or workmanship.
WARRANTY EXCLUSIONS
1. Neither the distributor, nor the store that sold this pump shall in any event be liable for any labor or similar
expenses incurred in removing or repairing this pump.
2. The distributor specifically disclaims any implied warranties of merchantability and fitness for a particular
purpose.
3. In no event shall the distributor be liable for consequential, incidental, or special damages resulting from or
related in any manner to any distributor components or accessories.
4. The distributor disclaims all liability for improper installation or improper use of this product.
Some states do not allow the exclusion or limitation of incidental or consequential damages. The above
limitations and exclusions may not apply to you. In addition to the rights given you by this warranty, you
may also have other rights which vary from state to state.
For warranty claims, DO NOT RETURN PUMP TO THE STORE!
Call our Customer Service Department at: 1-800-346-7611, Monday – Friday, 8:00 a.m. – 5:00 p.m., EST.
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