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Tastes and Odors in Product Water 

Possible Cause 

Solution 

Carbon Post Filter is exhausted. Replace 

Filter. 

There is foreign matter in Holding 

Tank. 

Clean, flush and sanitize the Holding Tank. 

Replace filters. 

Product water and Drain water lines 
are reversed. 

Correct plumbing. 

Dissolved gases in feed water. 

Pre-treat feed water to remove gasses. 

Increase in Product Water TDS. 

See High TDS in Product Water Section 

Faucet Leaks or Drips 

Possible Cause Solution Water leaks from faucet spout. Adjust faucet by turning the tee bar located under the handle to 

provide a small amount of free play in the handle when shut off. Should this not work, repair or replace the faucet. Leaks 

from beneath the handle. Repair or replace the faucet. 

What is an ASOV and what does it do? 

ASOV is automatic shut-off valve. This valve allows your system to turn off the water supply, using pressure from the pure 

water side of the system. It will turn off the water supply to the unit, whenever there is sufficient pressure on the pure water 

side of your system. ASOV is a must. It saves water, extends filter life, and improves the performance of your unit. As the 

storage tank fills the pressure inside increases, when the pressure equals ½ to 2/3 your feed water pressure, the water to the 

system is shut off. No waste. Since you subtract the storage pressure from the operating pressure, the storage pressure 

needs be limited. 

Cloudy ice cubes or milky colored water 

Bad membrane Use TDS Meter to check membrane. Replace membrane and sanitize when below 75% rejection. Water 

supply High oxygen content. Tiny frozen bubbles. System is still new This is normal and should clear up in two weeks 

UV lamp compatibility 

We have upgraded the UV lamp to a higher-quality brand (Philips) with 2 pins at each end since last November 2011. If your 

system was purchased before Nov. 2011, a new UV transformer and a UV wire are required. The transformer is available for 

sale at 123filter.com, under model # UVT11. However, for old customers, we will offer $15 discount for the new transformer, 

and no charge on the wire. Please go to 123filter.com and type in UVB11 and UVT11, then remark about the $15 discount 

and the free wire. 

After installation, the water out of the RO faucet is only a trickle. Is this normal?

 

Reverse osmosis is a very slow process. Water flow is only continual drop if bypassing the tank. With the pre-pressured tank, 

the water out of the faucet will be about 7-10PSI (tank's pressure), which is pretty strong flow. It takes about 2-3 hours to get 

the tank filled up, then the system will shut off automatically and drain stops running. 

Sudden drop in RO water production: There are a few potential factors causing 
the problem? 

 

Feed water valve is plugged or closed. 

 

Sediment/Carbon prefilter or Carbon Post Filter is clogged. 

 

Low incoming water pressure. 

Summary of Contents for iSpring

Page 1: ...iSpring Reverse Osmosis Water Filter Systems OWNER S MANUAL Ver 2005 6 Copyright 2005 2015 ISPRING WATER SYSTEMS LLC All rights reserved...

Page 2: ...es 2 Does Reverse Osmosis remove pharmaceuticals from water 3 I have heard that reverse osmosis wastes a lot of water 3 What is Alkaline Filter 3 What is DI filter 4 What is UV filter 4 What is a TDS...

Page 3: ...se osmosis filtration is by far the most effective and economic method of water filtration It filters water by squeezing water through a semi permeable membrane which is rated at 0 0001 micron equal t...

Page 4: ...age these systems will use less than 2 of your home s total water consumption In addition all Our Reverse Osmosis Systems use automatic shut off valves The drain will stop when the tank is full The ra...

Page 5: ...ills 99 of virus and bacteria The UV light of wavelengths between 250 and 270 nanometers UV C or UVC band is extremely effective in killing many species of bacteria mold spores viruses and other micro...

Page 6: ...auge at the front air valve to check tank pressure It should be within 7 10 PSI If too low you can use a bicycle pump to add more pressure to the tank Re connect tank to the system and turn on the wat...

Page 7: ...off No waste Since you subtract the storage pressure from the operating pressure the storage pressure needs be limited Cloudy ice cubes or milky colored water Bad membrane Use TDS Meter to check memb...

Page 8: ...UV filter How do you compare your tankless RO system RCS5T to GE Merlin 700GPD system Our RO system is a complete 5 stage filtration system with 3 pre filters Sediment GAC and CTO Side Flow membranes...

Page 9: ...8 261 7611 sales ispringfilter com Page 8 3020 Trotters Parkway Alpharetta GA 30004 For questions or comments please visit us at 123Filter com For technical support please contact us at support 123fil...

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