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INTRODUCTION

This instruction sheet provides you with the information required 
to safely own and operate your product. Retain these instructions 
for future reference.
The product you have purchased is of the highest quality 
workmanship and material, and has been engineered to give you 
long and reliable service. This product has been carefully tested, 
inspected, and packaged to ensure safe delivery and operation. 
Please examine your item(s) 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.

READ THESE INSTRUCTIONS CAREFULLY BEFORE 
ATTEMPTING TO INSTALL, OPERATE, OR SERVICE 
YOUR PRODUCT. KNOW THE PRODUCT’S APPLICATION, 
LIMITATIONS, AND POTENTIAL HAZARDS. PROTECT 
YOURSELF AND OTHERS BY OBSERVING ALL SAFETY 
INFORMATION. FAILURE TO COMPLY WITH THESE 
INSTRUCTIONS COULD RESULT IN PERSONAL INJURY 
AND/OR PROPERTY DAMAGE!

DESCRIPTION 

This is a magnetically driven pump intended to provide water 
movement through aquarium filtration systems. This pump is 
installed external to the aquarium and filtration systems, and is 
generally mounted below the aquarium in the cabinet that houses 
the filtration systems. The pump head parts are made of glass 
filled polypropylene. The spindle shaft and thrust washers are 
ceramic. The impeller driven magnet is coated ceramagnet A 
(barium ferrite) type ceramic. O-ring seals are nitrile. The motor is 
thermally protected.

SAFETY GUIDELINES

DANGER: To avoid possible electric shock, special care should be 
taken in the use of aquarium equipment. For each of the following 
situations, do not attempt repairs yourself; return the pump to an 
authorized service facility for service or discard the pump.
Do not use to pump flammable or explosive fluids such as gasoline, 
fuel oil, kerosene, etc. Do not use in explosive atmospheres. 
Pump should only be used with liquids compatible with pump 
component materials.
Do not handle pump with wet hands or when standing on a wet or 
damp surface, or in water.
This pump is supplied with a grounding conductor and/or 
grounding-type attachment plug. To reduce the risk of electric 
shock, be certain that it is connected to a properly grounded 
grounding-type receptacle.
In any installation where property damage and/or personal injury 
might result from an inoperative or leaking pump due to power 
outages, discharge line blockage, or any other reason, a backup 
system(s) and/or alarm should be used.
Support pump and piping when assembling and when installed. 
Failure to do so may cause piping to break, pump to fail, motor 
bearing failures, etc.
Do not handle the pump with wet hands or when standing on a 
wet or damp surface or in water.
If the pump falls into the water, DON’T reach for it! First unplug it 
and then retrieve it. If electrical components of the pump get wet, 
unplug the pump immediately (nonimmersible equipment only).
Carefully examine the pump after installation. It should not be 
plugged in if there is water on parts not intended to be wet.
Do not operate the pump if it has a damaged power cord or 
plug, if it is malfunctioning, or if it is dropped or damaged in any 
manner.
To avoid the possibility of the pump plug or receptacle getting wet, 
position aquarium stand and tank to one side of a wall mounted 
receptacle to prevent water from dripping onto the receptacle 
or plug. Create a drip loop (Figure 1) for each cord connecting 

1

1.5-MDQ-SC

Figure 1

Franklin Electric Co., Inc.

P. O. Box 12010

Oklahoma City, OK 73157-2010

405.947.2511 • Fax: 405.947.8720

www.LittleGiantPump.com

[email protected]

Summary of Contents for Little Giant 1.5-MDQ-SC

Page 1: ...ized service facility for service or discard the pump Do not use to pump flammable or explosive fluids such as gasoline fuel oil kerosene etc Do not use in explosive atmospheres Pump should only be used with liquids compatible with pump component materials Do not handle pump with wet hands or when standing on a wet or damp surface or in water This pump is supplied with a grounding conductor and or...

Page 2: ...ump for aquarium filter applications refer to the instructions and owner s manual supplied by the filter manufacturer OPERATION 1 The pump is completely preassembled and pretested from the factory 2 Use a thread sealer on all pipe connections and hand tighten only 3 The pump is not self priming It must be operated with the volute intake below the liquid level 4 This pump is not submersible Operate...

Page 3: ...ket 1 3 901434 Screw machine 8 32 x 3 8 4 4 189023 Drive magnet 1 5 189047 Magnet housing 1 6 902443 Screw tapping 8 16 x 1 2 4 7 924134 O ring nitrile 1 8 921077 Thrust washer 2 9 189010 Impeller 1 10 189042 Shaft ceramic 1 11 189002 Volute 1 12 902443 Screw tapping 8 16 x 1 2 4 ...

Page 4: ...L BE LIMITED IN DURATION TO THE PERIODS OF THE EXPRESS WARRANTIES GIVEN ABOVE Warranty will be VOID if any of the following conditions are found 1 Sealed motor housing opened 2 Product connected to voltage other than indicated on nameplate 3 Cord cut off to a length less than three feet 4 Pump allowed to operate dry fluid supply cut off 5 Pump used to circulate anything other than fresh water ligh...

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