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Danner Pond Pumps

Submersible and external pond pumps for waterfalls and ponds.


 


Danner Supreme Pondmaster



Pondmaster Magnetic Drive Pond Pumps

Pondmaster Magnetic Drive Pumps

Uses half the electricity of conventional pond pumps. No maintenance, only one moving part. No motor seals to wear. Fish safe, not oil filled, can't leak.

Can be used in or out of water. 18' cord.
3 year warranty.



DP-950 950 gph / Max Head 13' 124.95

DP-1200 1200 gph / Max Head 14' $155.95

DP-1800 1800 gph / Max Head 20' $174.95

DP-2400 2400 gph / Max Head 20' $195.95





 

 Priming made Simple for External Pumps

When there is no other choice than to put the pond pump above the water level, the unit must be "primed." This means that water must be introduced into the pump and the lines in order for the system to create a way for the pond pump to get new water into it. There are many ways this can be done however, this method is very simple and will help make the priming process less of a headache.

You will need:

 

Pump, pipe, Check Valve, Priming Basket, Hose and water

 

The first thing that you are going to do is install the check valve on the end of the line in the water. The check valve allows the water to only flow in one direction. We recommend a flapper type because they are easy to install and work with most pumps. They can be purchased at your local garden center (Lowe's, Home Depot, etc.) and are fairly inexpensive. Once the check valve and lines are in place, the pump and basket need to be added in the correct place. After the pump is in place, install the rest of the pipe. At this point the pond will be empty and all of the plumbing will be in place. It is a good idea to make sure that all of the joints are glued tightly at this point so that there are no air leaks. This will save time and extra work down the road. Now take the hose and fill the pond so that the suction point of the pipe is covered by enough water to not allow a vortex to occur (usually 8" or more). Take the hose out and put t into the discharge line of the system. This could be the point where the waterfall is or maybe it is just a point that you have left open in the discharge line. Let the water fill the line (wait until water is coming back out of the point where the hose has been inserted. Once water is coming out, start the pump. The line will be primed at this point unless there is air trapped in the line. If the pump is running correctly, fill the rest of the pond up. If it is not repeat the steps above until it begins to flow properly.

 

Some important things to keep in mind:

 

1. Inverted U's (a place where the line will go up the wall of the pond, over the wall of the pond, and then back down the side (looks like an upside down U)) are bad ideas. Air is very difficult to expel out of these points (unless a bleed valve is installed) and ValuFlo pumps will not pump if there is air in the intake line.

 

 2. Try, try  again. If the pump is spinning, it is working. When there is nothing coming out but the pump is spinning, there is a problem with the system. Generally, it is on the intake side of the pump and will be in the form of an air leak or an obstruction. With the clear pump, it will be noticeable as an air pocket right at the center of the impeller. This means there is air in the line. If that pocket is not present and the pump is spinning, there is something blocking the discharge line.

 


 
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