iSpring RCS5T 500 GPD Residential and Light Commercial Tankless Reverse Osmosis Water Filter System with 1.5:1 Pure to Drain Ratio
About this item
- Designed to supply for large families, small restaurants and small businesses
- Produces up to 500 GPD or 0.34 gpm under ideal conditions. The actual output could vary from 70% to 90% of the 500GPD due to temperature, water chemical properties, and other factors. Filtered water output is about 40-70 psi on average.
- RO membrane with 1.5:1 pure to drain ratio
- 5 stages of filtration remove up to 99% of 1, 000+ pollutants including PFAS, chlorine, fluoride, lead and more.
- Light commercial capable - add a storage tank for light commercial settings
Frequently Bought Together

iSpring RCS5T 500 GPD Residential and Light Commercial Tankless Reverse Osmosis Water Filter System with 1.5:1 Pure to Drain Ratio
$649.99
- Availability: In Stock
- Model: RCS5T
- Manufacturer: iSpring
- Product Dimensions: 14.00"L x 11.00"W x 18.00"H
- Product Weight: 20.50 LB
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2020-05-21
It comes very well packaged, along with a clear documented manual. Plumber installed and been working flawlessly for 5 months now.


2020-04-28
After this bad boy, 12PPM. The water tastes great, and I am saving a ton of money not buying bottled water or paying for delivery service.

2020-04-16
It has more than exceeded our expectations. If I could rate this at 6 stars I would.

2023-07-19
For about 10 years, our lab was running an old CR500 system for our analyzer. The membrane was becoming harder and more expensive to find. The wonderful people at iSpring replaced the unit for us to a RCS5T, which uses the upgraded, and less expensive, membrane. The unit was a breeze to replace. in just a few minutes, we had the new unit mounted, flushed and supplying pure DI water to our analyzer. Thank you 123filter.com!!!



2022-12-02
I am stopping to write this review since i did have to call customer support the other day and have to say that Michelle was very helpful. The first time I called was to get a kit part number for the filters. We got that sorted out then I was a cheap o and ordered from overstock. Once I got my filters and was installing i got to the RO membrane and learned I have an older model that uses a different one than what comes in the kit. Michelle was there to help again. We got the proper membrane on its way and soon i will be running at full strength again.
We use this in our Coffee Shop to help elevate the quality of our products and to extend the service life of our equipment.
I really appreciated the quality customer service and will conduct my business directly in the future for sure.
Thanks!
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RCS5T Manual