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GMX Model 400 Installation Instructions

For 1/8" to 1/2" Non-Ferrous Tubing or Pipe
GMX Model 400

For GMX Model 400 Measurements (size)
and Specifications:>>> Click Here

GMX Model 400 Applications

The GMX Model 400 Device is designed for the treatment of scale and corrosion in residential, commercial, and light industrial applications or wherever difficult hard water problems exist.

  • Printing Equipment
  • Swamp Coolers
  • Ice Makers
  • Fountains

This device will also improve engine performance and / or reduce emissions in Gasoline and Diesel engines.

  • Cars
  • Trucks
  • Generators
  • Semi-Trucks


Installing The GMX Model 400 Device

These instructions are primarily for installing the GMX
Model 400 device in Industrial and Commercial Applications.

Click Image to See Actual Device.
GMX Model 400

  1. Place both halves of the Model 400 against the pipe or tube to be treated.

  2. Insert the nylon bolts through the holes in each half of the device and secure with the wing-nuts. An extra set of locking wing-nuts is provided for more secure installations.

  3. Tighten the wing-nuts until the device is snug against the pipe. Do not over tighten !

NOTE: If the device does not clamp securely to the tubing or pipe, place a sleeve of plastic or rubber over the existing line and re-install device. This is recommended for tubing smaller than 1/4" O.D.

  1. If a second device is needed it should be mounted tandem to the first(see diagram above) and spaced exactly 1/2" apart.

  2. When installing two devices, the devices should tend to OPPOSE, not attract, each other. The labels should be the same direction and both labels should be in linear alignment and on the same side of the pipe (see diagram above).

Complete installation instructions are shipped with each device.

For a Complete GMX Sizing Chart Click Below
>>> Complete GMX Sizing Chart <<<

Additional Installation Information

The principle purpose of using the GMX System to prevent and/or achieve descaling of the plumbing, pipes, and process equipment for homes, business, and industry. Also, the GMX system will condition hydrocarbon based fuels to improve combustion and prevent unwanted varnish and scum build-up in fuel systems. Certain conditions that may impact performance of GMX System are listed below and should be addressed.

Steel Tubing, Iron or Galvanized Pipes
The penetration of a magnetic field through steel tubing / pipe (except for stainless steel) or iron pipe is minimal. If the GMX device sticks to the tubing or pipe, it won't work. The accepted method of treatment in this case is to remove and replace a 24" section of pipe with either copper, plastic, PVC, rubber, aluminum, or stainless steel tubing or pipe.

Water Clarity
After installing the GMX System, an increase in water turbidity (cloudiness) may be noted. This relates to a stabilization period of a few weeks during which calcium deposits are being removed from the system while the GMX System is descaling. It is important to monitor filters, tanks, and sumps weekly/monthly and drain or clean them as needed.

Pumps, Filters, or Turbulence
For best results, always install GMX units a MINIMUM of 24" downstream of any pump, 12" downstream of your water meter, 6" downstream of any filters and 3" from any elbow or T. Ideally, magnetic treatment requires a laminar (smooth) flow of the fluid through the magnetic field for maximum effectiveness.

Underground Pipe
In some situations, underground piping of magnetically treated water may adversely affect the treatment. Treatment of long or extensive (100 feet or more) underground water lines or sprinkler systems may require additional units.

As a rule of thumb we like to see no more than 100 feet of pipe from the point of treatment to the point of use. Most home have 50 feet or less of pipe from the point of water entry to the final point of use. Even if you install your GMX units just after your water meter you should be within these guide lines.

Electrical Equipment
The magnetic treatment of the GMX System may be decreased if electrical equipment capable of generating a strong electrical field, i.e. a welder or large electrical motor, is too close to a water line on which the units are placed. Similarly, an electric power line running next to the pipe for over 12" (in parallel) within 6" may decrease the effectiveness of the treatment. Electrical lines crossing a pipe have no effect.

Car and Truck Diagnostic Computers and Sensors
The magnetic field surrounding the GMX units can interfere with certain functions of diagnostic computers standard on late model cars and trucks. Maintain a minimum 12" separation between the units and any such equipment.

Fuel M.P.G. and Emissions
After installing the GMX System, a temporary decrease in mileage or increase in emissions may be noted. This is temporary as accumulated deposits are being removed from the fuel system and combustion chamber.


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