Water Magnet Data

The following tests and measurements was taken on a common Neodymium Magnet design. This design is US made with Chinese Copies also on the market. First we examine the mechanical aspects of this design and then measurements were made looking for the peak flux density. While the large Neodymium magnet does provide a boost in flux density over the GMX design, it has three major flaws in it's design. The main problem is there is no way to firmly attach the units to the pipe and the magnet faces are not protected from Galvanic corrosion, and it has poor magnetic performance . This design, just like the GMX does not focus the magnetic field inside the pipe as the Trentatron design does. It also fails to shield the powerful magnetic field from it's surroundings. Not only is this field not being contained inside the frame, external magnetic fields from nearby electrical devices are also allowed to interfere with the field from the magnets.

This design has no lateral stability as shown in the left hand picture. Nothing prevents the unit from being knocked off of the pipe with the slightest push.

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Neo Sof with 1/2" Copper Pipe

Trentatron attached to pipe with Ty wraps with adhesive tape to protect the magnet faces from Galvanic Corrosion.


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The following tests and measurements was taken on Neo Sof type units installed on different sizes of copper and PVC pipe. Measurements were made looking for the peak flux density inside the pipe. Comparisions are made to the performance of corresponding Trentatron unit.

Neo Plus Rated for 20 GPG

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Half inch Copper
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1 inch Copper

Neo Max Rated for 60 GPG

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Half inch Copper
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1 inch Copper

Trentatron TAT-1 Rated for all water Conditions

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Half inch Copper
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1 inch Copper

As you can see the Trentatron design out performs both versions of the Neo Sof design. Our magnets are the same size as the Neo Plus unit but our units out perform the Neo Max units which employ thicker magnets (1/2" vs. 3/4")

Neo Plus Large Pipe Rated for 20 GPG

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1 Inch PVC

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Trentatron TAT-2 Rated for all water Conditions

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1 Inch PVC

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As you can see the Trentatron unit closely matches the performance of the Neo Plus Large Pipe unit. But there is one big difference here, while the Trentatron magnets are not as thick as the Neo Plus unit they are twice as wide as the Neo Plus magnets. If the pipe is 2" wide, you need a two inch wide magnet.

Neo Max Large Pipe Rated for 60 GPG

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1 Inch PVC

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Trentatron TAT-21 Rated for all water Conditions

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1 Inch PVC

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As you can see the Trentatron TAT-21 unit out performs the Neo Max Large Pipe unit in every case here. And there is one big difference here also, while the Neo Max Large Pipe unit magnets are as thick as the Trentatron unit, they are half the width (1 Inch wide vs. 2 Inches wide).

You need a magnet here that is as wide as the pipe you are working with (or at least close to it).