Pond Pumps

Pond Pumps

Little Giant, and Leader are designed for continuous operation for table top displays, fish and Koi ponds small and large statuary, ponds, fountains, waterfalls and streams. Pond Pumps are sized by gallons per hour (GPH) output at one foot of lift or discharge height. Larger capacity pumps are rated by horsepower (Hp). As a rule of thumb the water in a basic pond is turned one time per hour. A 750-galon pond should have at least a 750 Gallon per Hour pump. To determine the pump lift requirement, estimate the vertical height from the top of your pump to the top of your waterfall or stream. Add another foot of height or lift for every 10 feet of discharge hose you will be using. This will allow for loss of volume from friction losses within the discharge hose. For waterfall pump sizing a general rule of thumb is to figure the stream or waterfall requirement as 150 gallons per hour per inch width of the spillway or channel. For example, if the stream or waterfall spillway will be 10 inches wide, a pump that produces a flow of 1500 gallons per hour will be needed. You cannot increase the pumps capacity so always purchase a pump that will exceed calculated pumping needs. You can install a by-pass line with a ball valve to adjust both the pressure and the flow.

Capacity Table In Gallons Per Hour For Submersible Pumps
Model HP Head In Feet Shut-off
1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 25'
Gallons Per Hour (GPH)
PES-40-PW (566713) - 47 - - - - - - - - - - - - 2'
PES-80-PW (566714) - 77 65 20 - - - - - - - - - - 3.5'
PES-130-PW (566716) - 130 102 80 55 - - - - - - - - - 5.5'
PES-290-PW (566717) - 300 275 250 200 150 - - - - - - - - 7'
PES-380-PW (566718) - 380 300 260 225 175 - - - - - - - - 7'
PES-700-PW (566720) - 725 675 600 525 475 300 - - - - - - - 8'
PES-800-PW (566721) - 875 750 625 575 550 500 425 300 250 - - - - 12'
PES-1000-PW (566722) - 1150 1075 1050 975 825 750 675 525 375 300 - - - 16'
PE-1F-PW (566631) - 170 155 140 125 100 - - - - - - - - 7.0'
PE-2F-PW (566632) - 300 280 270 260 240 220 200 180 130 120 - - - 12.2'
PE-2.5F-PW (566633) - 475 450 440 420 395 325 300 260 220 205 - - - 13.4'
P-AAA-WG (523375) - 120 95 70 - - - - - - - - - - 4.6'
1-A (500203) - 170 155 140 125 100 50 - - - - - - - 7.0'
1-EUAA-MD (588205) - 150 125 105 - - - - - - - - - - 5'
2E-38N-WG (502375) - 300 270 255 225 205 180 150 125 100 70 - - - 11.8'
3E-12N-WG (503375) - 500 460 435 380 337 310 280 260 240 210 65 - - 17.3'
5MSP-WG (505325) 1/6 1200 1185 1170 1135 1100 1080 1060 1040 1020 100 830 520 - 26'
WGP-65-PW (566409) 1/8 1900 1550 1500 1400 1250 1200 1150 1050 950 785 400 - - 20'
WGP-80-PW (566417) 5/8 3500 3350 3300 3250 3200 3000 2900 2850 2750 2700 2100 1300 695 29.5'
WGP-95-PW (566407) 5/8 4280 4200 4100 4050 4000 3800 3750 3650 3550 3500 2850 2200 1370 30'
ECOSUB400 1/4 1740 1680 1620 1560 1500 1440 1380 1320 1140 1020 780 - - 20'
ECOSUB410 1/3 2160 2100 2070 2050 2040 1920 1860 1800 1740 1620 1200 600 - 23'
ECOSUB420 1/2 3900 3840 3780 3720 3540 3480 3360 3300 3180 3120 2640 2040 1260 31'

Waterfall-Sizing-Chart.pdf

Little Giant PondWorks Statuary Pond & Fountain Wet Rotor Submersible Pumps 45 to 1150  GPH <br>

Little Giant PondWorks Statuary Pond & Fountain Submersible and In-Line Water Pumps 45 to 1150 GPH. Little Giant Pumps PondWorks PES series includes pumps for table top displays, small and large statuary, ponds and fountains, waterfalls & streams and all water gardening applications.Wet Rotor design witha fully adjustable flow control

Little Giant PE Series Epoxy-Encapsulated Oil-less Motor Pumps 170 to 475 GPH

These Little Giant PE series pumps features an epoxy-encapsulated environmentally safe, oil-less motor, corrosion resistant body and radial lip seal on the motor shaft. It provides enough power to effectively operate a water garden, statuary, or tabletop fountain. In fact, it may even be used in some harsh, industrial-type applications. This "potted" pump is usually more compact in size than. For submersible use only

Little Giant Oil-filled  Motor Submersible Pumps 120 to 170 GPH

Little Giant P-AAA-WG (523375) fountain and pond submersible pump contains non-toxic mineral oil, providing continuous lubrication for maximum motor life. The 1-A(500203) small submersible oil-filled pump with epoxy coated cast aluminum housing. Is used for commercial, industrial and home applications including statuary fountains, water displays, air conditioners, machine tool coolants, and many other applications where liquid must be transferred or recirculated.

Little  Giant Submersible / Inline Dual Purpose Pumps 300 GPH to 500 GPH <br>

Little Giant 300 GPH to 500 GPH fountain and pond submersible or inline water pumps. Dual purpose, operate outside in-line (not submersed) or submersed in the water. These wet-rotor pump, often referred to as a magnetic-drive pump by other manufacturers, utilizes an epoxy encapsulated motor and plastic housing. The water being pumped surrounds the rotor, thus the term "wet rotor". It is seal-less and oil-less.

Fountain, Waterfall & Stream Submersible Water Pumps 1200 To 3800 GPH<br>

Little Giant Pumps fountain, waterfall & stream submersible water pumps 1200 To 3800 GPH. Little Giant PondWorks waterfall and stream pumps are environmentally safe and corrosion-resistant. They let you create a variety of fountains, reservoir features, streams, and watercourses while boosting oxygenation for life below the water.

Leader EcoSub Submersible Sump Pumps <br>

Leader Pumps manufactures safe, reliable, non-corrosive, rust proof, high quality submersible pumps for drainage, flood prevention, waterfalls and ponds. Submersible Ecosub Pumps are perfectly suited for hydroponics, ponds, and water fountains. Built-in "perfect cooling" feature allows it to run even if it's only partially submerged.

Questions & Answers

How do I chose the pond pump?
For Fountains (Indoor or Outdoor) - When choosing a pump for your fountain there are two terms that you will see when looking for your pump. GPH (gallons per hour) and "lift" or "head". To calculate the capacity required figure to circulate the water in the pond at least once an hour. If you have a 500 gallon pond you would need a pump that moves 500 gallons per hour at the height of the discharge. The lift or head (height of the discharge) is the term for the vertical height the pump raises water above the surface of the pond. You will need a pump that lifts higher than that measurement because every 10’ of tubing equals 1’ of lift). If that distance is 24", than you will need a pump that lifts at least 36" high. The "maximum lift" means the maximum height that the pump will lift the water. So you will get "0" flow at the maximum lift.
What are permanent split capacitor pond pumps?
Large Volume Plastic pumps - These pumps utilize a permanent split capacitor (PSC) motor sealed in a Stainless Steel Housing, which in turn, is surrounded by a plastic case. The PCS motor allows these pumps to use less energy than other pumps of similar flow capacity. The motor also produces less heat ; therefore, the pump does not require oil internally. These pumps are ideal for use in waterfall and stream applications, found in water gardens.
What are Epoxy Encapsulated (Potted) pond pumps?
Epoxy Encapsulated (Potted) Pumps - These pumps feature an epoxy-encapsulated motor, plastic housing, and radial lip seal on the motor shaft. They provide enough power to effectively operate a water garden, statuary or tabletop fountain. Algae build-up does not effect these small, powerful workhorses. In fact, they may even be used in some harsh, industrial-type applications. These "potted" pumps are usually more compact in size than an oil-filled pump of equal flow capacity.
What are Wet-Rotor (Hysteresis) pond pumps?
Wet-Rotor (Hysteresis) Pumps - The wet-rotor pumps, often mistaken as magnetic drive pumps, utilize an epoxy-encapsulated motor and plastic housing. A permanent magnet is attached to the impeller. The magnet acts as the rotor would in a conventional motor. The water being pumped surrounds the rotor, thus the term "wet-rotor". They are seal-less and oil-less. These pumps work well in water garden, statuary, and some industrial applications. They are the most compact and energy efficient type of pump
How do you calculate the approximate Gallons of Water in a in a circulat pond?
Circular pond: 3.14 X diameter X average depth X 7.5
How do you calculate the approximate Gallons of Water in a in an irregular pond?
Irregular Pond: length X width X average depth X 7.5
How do you size a pond liner?
Use the same formula for both the width and the depth of the liner: The length of liner = max length of pond + (2 times max depth) + minimum of 2' overlap. The width of liner = max width of pond + (2 times max depth) + minimum of 2' overlap.
How do you calculate how many gallons in a pond?
Length x Width x Depth x 7.48 = Gallons
What size pump should I use in my pond?
By turning over the water at least once an hour through the filtration system you will reduce the amount of maintenance required. A 3,000 gallon pond will require products that can handle at least 3,000 gallons per hour of flow.
How many GPH should the pump deliver to make a stream flow look natural?
Stream flow to appear natural= Width of stream (waterfall) ft x 1,200
How do I figure the head required by the pump?
Measure thr vertical distance from top of water level to discharge point (top of waterfall) and add 1 foot for every 10 feet of elevation
Should I use an external or a submersible pump for my pond?
In both the external and in the submersible pumps, the mechanism is simply: a set of turning blades that pressurize the pond water and force it into motion. Submersible pond pumps are easier to use than external pond pumps. They sit directly on the water and are inexpensive, unlike external pumps that you must place outside the pond. Submersible pumps are easy to install and run without priming. They can be used to power all but the largest water features.
What size tubing should I use to maintain an adequate flow in my fountain?
To maintain adequate flow, use a larger diameter tubing. Make the tubing as short and straight as practical, and be sure it doesn’t kink during installation. Minimum tubing sizes are: 1/2-inch diameter for flows up to 120 gph; 3/4-inch diameter for flows up to 350 gph ;1-inch diameter for flows up to 1000 gph ; 1 1/4 inch for flows up to 1500 gph ; 1 1/2 inch for flows up to 3000 gph You can “telescope” together a series of incrementally larger sizes to make the transition. Vinyl hose comes in increments of ¼” in inside diameter (ID) and has about 1/16” wall thickness. The smaller tubing will fit snugly inside the next consecutive bigger size.
My outlet only has two slots; can I remove the third prong from the pump cord?
DO NOT REMOVE the third prong from the plug . These pumps are supplied with a 3-prong electrical plug, the third prong is to ground the pump to prevent possible electrical shock hazard. A separate branch circuit is recommended.
The pump cord is too short; can I use an electrical extension?
Do not use an extension cord. If there is no outlet near, we suggest that you have a ground fault circuit interrupter (GFCI) outlet installed there by a professional electrician.
The cord is too long; can I cut it?
Do not cut plug from the cord. If the plug is cut or the cord is shortened, then this action will void the warranty.
Can I plug in the pump in any 115 volt outlet?
No…….The National Electric Code requires that a ground fault circuit interrupter (GFCI) be used in the branch circuit supplying fountain pumps and other pond equipment. We suggest that you have a ground fault circuit interrupter (GFCI) outlet installed there by a professional electrician.
How high can the fountain spray be?
The height of the fountainhead should be not more than half the width of the basin to minimize over-spray and wind-carried mist.
How wide should my basin be to minimize fountainhead over-spray?
The width of your fountain's catch basin should be more than twice the height of the fountainhead to avoid most water overspray and wind-carried mist.
I have no leaks in my basin; Why is my pond losing water?
If you recently cleaned your fountain, waterfall, or the pump filter, you may be losing water in your pond due to over-spray. A pump running more efficiently will produce more pressure that can cause intense splashing and over-spray. Over time the splashing will decrease the pond water level. Examine rocks and other decorative elements around your water feature for any signs of significant dampness or splashing, and adjust your pump capacity accordingly.

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