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Page 19www.123filter.com | (678) 261-7611 | Support@123Filter.com
● Improves the qualities of RO water by adding necessary minerals for proper human
development, such as calcium, magnesium, sodium, potassium, and others readily found in
many natural mineral waters.
● Mainly installed with RO systems to complement their absolute filtration qualities.
What is a DI filter?
DI stands for deionization. The DI filter takes reverse osmosis to a higher level of filtration. It is an
excellent inline filter, especially for those who live in areas with exceptionally high levels of total
dissolved solids (TDS) in their tap water. The DI filter takes the small percentage of contaminants
that the membrane could not remove and filters the water to 99.99% purity, and give you close to 0
ppm TDS. Conductivity attainable less than 0.1uS/cm or resistivity of close to 18 meg ohm. (Model
#FD15)
What is a UV filter?
Our UV filter (model #UVF11A) comes with an 11W UV sterilization lamp in a stainless still
housing. The UV kills 99% of viruses and bacteria in the water. The UV light has wavelengths
between 250 and 270 nanometers (UV-C or UVC band) and is extremely effective in killing many
species of bacteria, mold spores, viruses and other microorganisms. It is recommended for
customers who use well water, rain water, or have bacteria concerns in their water.
What is a TDS meter?
A TDS meter is a handheld Total Dissolved Solids tester. TDS is the total weight of all solids
dissolved in a given volume of water. It is expressed in parts per million (PPM). With a TDS meter,
you can compare the quality of the RO water with your original source water, and also periodically
check the RO water to know when it’s time to change the filters.
Maximum distance from tank to faucet
We recommend staying under a total distance of 15 feet of tubing between the tank and the RO
faucet or output location. The system will produce a faster flow at the faucet with the shortest
tubing run from tank to faucet.
If you wish to go over 15 feet and still get a strong output flow, you may want to consider adding a
demand pump. A demand pump would be installed on the output line, and increase the output water
pressure coming from the tank. We do not offer any, but there are many different models available
on Amazon.
What is the ASOV and what does it do?
The ASOV is the automatic shut-off valve. This valve allows the system to automatically turn off
the water supply using pressure from the pure water side of the system. The ASOV is a critical
piece to the system as it saves water, extends filter life, and improves the performance of the unit.
As the storage tank fills, the tank pressure increases. When the tank fills completely, a pressure
signal is sent to the ASOV, and the water supply to the system is shut off.
Does the UV filter run 24/7? Will the water out of UV filter be hot?
The iSpring UV filter features a Smart Flow Sensor Switch on the tubing connected to the UV
housing. This switch communicates with the UV transformer to turn the UV on and off with water
flow, conserving power and extending the life of the bulb. The UV remains on for an additional
two minutes after flow has stopped to pre-sterilize the water in the system for the next time it is
used. So in short the UV filter only powers on when needed, and does not heat the water up.
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