High performance pond pump with rugged debris handling impeller
Large protective pump cage minimizes blockage and maintenance
Rugged debris handling impeller can pass debris up to 1/4" for reliable clog-free performance
Clean your pond, not your pump! Rugged debris handling impeller can pass debris up to 1/4" for reliable clog-free performance. Large protective pump cage minimizes blockage and maintenance. Use this powerful, energy-efficient pump to drive pond filters, waterfalls, or streams. Oil free, will not contaminate aquatic life. Tetra Pond Debris Handling Pumps measure 15" x 9-1/2" x 8-1/2" high. 20 ft cord.
Max Head Height
Max Pond Size
1-1/4" - 1-1/2"
1-1/4" - 1-1/2"
Please click on "More Information" for instructions and performance chart.
Instructions How the TetraPond Debris Handling (DHP) Pump works
TetraPond DHP pumps are engineered to circulate large volumes of pond water without clogging. This allows the pump to operate for long periods of time without any maintenance.
Water, dirt and debris are drawn through the 1/4 inch holes in the large pre-filter cage that surrounds the pump. The pre-filter cage prevents leaves, sticks and other large debris from entering the pump. It also protects the fish from the pump's impeller.
The open-face impeller allows debris up to1/4 inch in diameter to pass through the pump without clogging. The pond water with dirt and debris are pumped to an external filter for removal or directly to a waterfall or stream.
Attaching tubing to the DHP Pump
In order to maximize this pump's performance, it is recommended using tubing with an internal diameter (ID) of 1-1/2 inches. When using 1-1/2 inch ID tubing, the narrow end of the ball nozzle should be cut off to maximize flow from the pump.
1-1/4 inch tubing can also be used. Attach to the narrow end of fitting. Secure tubing connections with hose clamps (not included).
Changing the Outlet Direction
Loosen the retaining nut by hand.
Rotate the ball nozzle to the desired position.
Tighten the retaining nut by hand.
Using TetraPond Debris Handling Pump to power filters and waterfalls
Place pump at the bottom of the pond. Pump to an external filter.
Note: Be aware that filters reduce the flow to waterfalls and streams. Typically a reduction of 45% is expected in water flow through a pressure filter.
Warning - This pump is fitted with a thermal cut-off device that temporarily switches off the pump in the event of overheating. The pump may start automatically after the pump cools down. Never run the pump out of water as this may cause irreparable damage to the pump.
Maintenance and Care Note: Before carrying out any maintenance, the pump must be disconnected from the main electricity supply.
When removing the pump from the pond, do not lift it by the electrical cable as this may cause irreparable damage to the cable, which cannot be replaced. Use the handle to lift the pump from the pond.
A rope may be attached to the handle of the pump and to a float (not included), to allow the pump to be easily located and raised to the water surface.
The design features incorporated in the TetraPond DHP Pump minimize the amount of maintenance, however, if flow from the pump appears to decline, check the following:
The filter cage has become covered with a layer of debris. To clean cage, simply remove the pump from the pond and clean the debris which has collected around the outside of the cage.
If the pump does not work, check the GFCI, circuit breaker and electricity supply.
The impeller has become jammed or blocked (see section on Disassembly & Cleaning).
Disassembly & Cleaning
There should be no reason to open the cage or pump, unless the pumping performance has diminished or stopped working and you have performed Steps 1 & 2 in the Maintenance & Care section:
Turn off the power supply.
Move the pump to a dry location.
Loosen the bolts to open the cage and access the pump.
Remove the screws from the impeller cover.
Remove the impeller cover from the pump body by gently shaking the unit.
Pull the rotor assembly out of the pump body.
Carefully wash the parts with fresh water.
Carefully reassemble the rotor into the pump body after cleaning; make sure the 2 holes on the impeller base and the 2 dowels on the pump body fit together for proper assembly.
Turn the rotor by hand. The rotor should move freely. Do not force the rotor.
Be sure the rubber O-ring of the pump body is seated properly.
Replace the impeller cover on the pump body and tighten the stainless steel screws.
Submerge in water before operating. Never run the pump dry!
Hard Water Problems
With the TetraPond DHP pump new design and technology it is uncommon to have any internal sediment problems, but in areas with very hard water, it may be necessary to remove lime deposits from the rotor assembly annually. Follow Disassembly steps 1 through 4 and then soak the rotor assembly overnight in a de-scaler (such as white vinegar). After 12 hours of soaking, gently clean the rotor with a cloth and re-soak for an hour to remove any additional lime scale. Rinse thoroughly with water. Repeat if necessary. Then reassemble the pump.
As long as the unit does not become iced-up, it can run throughout the winter. However, if there is a danger of icing-up, the unit should be removed from the pond. If the pump is required to run throughout the winter, it is advisable to move it to shallower water (on a marginal plant shelf for example) to minimize disturbance to the fish resting in the warmer water which collects at the
bottom of the pond during the colder weather.
Pumps run 24 hours a day and are the chief piece of equipment responsible for keeping your pond healthy. Selecting the correct pump is essential for a healthy pond. Here are some tips to help you pick the perfect pump.
Are you considering a waterfall or stream in your backyard, but don't know where to start? Creating a plan and having the right equipment goes a long way toward saving you time and money. These tips will help you get started.
Please note: Return of electrical equipment to Drs. Foster & Smith for exchange or refund is limited to 60 days from the date of purchase. Beyond 60 days, please contact the manufacturer for repair or replacement as covered by the manufacturer's warranty.
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