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FAQ

Hi-Teach RO series is a Home Drinking Water System that uses the principle of reverse osmosis to remove 95-99% of all the mineral and chemical contaminiants from raw tap water. Hi-Teach products gives you the qualit of bottled water with the convenience of a faueet mounted on your kitchen sink.
Ordinary water filters use a screen to separate only particles of dirt sediment from water. Reverse osmosis employs a semipermeable membrane that removes not only particles but also an extremely high percentage of dissolved contaminants-molecule by molecule-from raw tap water.
The membrane consists of several thin layers or sheets of film that are bonded together and rolled in a spiral configuration around a plastic tub(This is also known as a thin film composite or TFC membrane.) The material of the membrane is semipermeable: it allows water molecules pass through while acting as a barrier to dissolved solids (i.e.:mineral chemical contaminants). When the feed water stream passes across the surface of the membrane, the molecules penetrate the membrane surface, working their way around the spiral and collecting in the center tube. The remaining contaminants are concenterated and washed from the surface of the membrane down the drain.
Assume a membrane is semipermeable, allowing water to pass through while being closed to dissolved salts. Place a membrane between two compartments in a container as shown in the figure to the right. Then place a salt solution in one half of the container and pure water in the other half. Now a fundamental scientific principle comes into play. That is, two different concentrations of liquids with the same system will try to reach equilibrium (i.e. the same concentration of contaminants) on both sides of the membrane . Of course the only way for this to happen is for pure water to pass through the membrane to the salt water side in an attempt to reach equilibrium is called OSMOSIS.
Reverse Osmosis is the reversal of the natural flow of osmosis. In water purification system, the goal is not to dilute the salt solution, but to separate the pure water from the salt and other contaminants. When the natural osmotic flow is reverse, water from the salt solution is forced through the the membrane in the opposite direction by application of pressure-thus the term REVERSE OSMOSIS. Through this process, we are able to produce pure water by screening out the salts and other contaminants.
The raw tap water first flows through a 5 micro particle FILTER[1] to remove dirt, rust and other sediment. The water then flows into a carbon briquette cartridge FILTER[2] which takes out 98%of the chlorine and organic chemicals. The next stage of the process is FILTER[3] 1 micro sediment filter or Block carbon filter to filter multi-chemical compounds and suspension. [4] The reverse osmosis membrane (TFC) which will separate 95-99%of the dissolved contaminants from the water molecules. The contaminants are then washed down the drain. The next stage of the process is the small CARBON FILTER [5] removes the remaining traces of chemicals, taste and odors. The R.O. water is stored in a 4.2 gallons TANK[6] Inside the tank is a balloon-like rubber diaphragm, pre-charged with 14 psi of air. As the tank fills, the air pressure increases and pushes the water out when the faucet is opened. The final element of the system is a POLISHED CHROME FAUCET [7]. It is installed on the kitchen counter or the sink. It is a dual action faucet offering intermittent flow (to fill a glass, hold the handle down) or continuous flow (to fill a coffee pot, lift the handle up). Nowwe offer you the free upgrade faucet without adding any cost.
Although the idea of reversing osmosis has been known for over 10 years, the practical application is a recent development. IN 1962 the U.S Government funded the first R.O. plant which processed 1000 gallons clean water per day. Today, there are more than 3000 large R.O. treatment plants, each producing more than a million gallons of drinking water each day. In 1991, the U.S. Army bought 8,000 large Desal* membranes to their mobile water purification units for troops in Desert Storm. Purify flood water in the Midwest.
YES! Reverse Osmosis was originally designed ro make sea water drinkable for the navy. It is ideal for anyone on a low sodium diet.
YES! An R.O. membrane has a pore size much smaller than bacteria virus, pyrogen microorganisms from tap water and produce sterile water.
The taste of the water depends on the amount of contaminants in the tap water originally. If 95% of dissolved minerals and chemicals are removed, the R.O. water may taste like bottled water (low mineral). or natural spring water (moderate mineral content).
Most of the minerals that we receive are from the foods we eat. Only a very small percentage comes from the water we drink.
The System uses approximately 50/70 gallons per day, depending on the water pressure & membrane capacity. The extra water that runs down the drain is used to wash the contaminants from the surface of the membrane, prolonging its life. However the actual water flow is so slow that most water meters cannot measure the flow and the consumer will not be charged for that water.
YES! The System is having an Automatic Shut-Off Valve in Model no. RO10/15/30aAWT. It shuts off all the water coming into the system as soon as the it is 90% full. It turns the inlet water back on once the tack is half empty. This means the perfilters will have an extended life of three years instead of one. However, there are circumstances where a continuous flushing of the membrane is necessary. Consult your dealer to advise you on option.
YES! The System is having an Automatic Shut-Off Valve in Model no. RO10/15/30aAWT. It shuts off all the water coming into the system as soon as the it is 90% full. It turns the inlet water back on once the tack is half empty. This means the perfilters will have an extended life of three years instead of one. However, there are circumstances where a continuous flushing of the membrane is necessary. Consult your dealer to advise you on option.
It only takes a 1/4* tee and tubing to run the water to a refrigerator or a extra faucet. Some families run system to all of their bathrooms.
Because reverse osmosis removes invisible contaminants that mask flavor, it allows the natural taste of your beverages to come through. You will be able to use less coffee and still get the full flavor. Concentrated beverages like orange juice will taste tangier, You will probably be drinking a lot more water as well, since many people drink soda, Kool-Aid, concentrated juices, and beer as an alternative to bad-tasting tap water. Also, eliminates most of the lime build up on drip cofee makers, preventing the need for frequent cleaning. No longer will you find the white scum on the inside of pans after boilling water.