iSpring RCS5T 5-Stage Commercial Tankless Reverse Osmosis System, 500 GPD
Five-stage tankless RO system for residential and light-commercial use, rated up to 500 GPD with a booster pump, pressure gauge and 1.5:1 pure-to-drain ratio.
$683
Usability
The RCS5T is iSpring's workhorse for offices, cafes and small labs: 500 GPD, a high-powered booster pump, a pressure gauge for monitoring, and standard cartridges that are quick to service at volume. It is not NSF certified, so buyers who need third-party certified reductions should look at the tanked RCC7 line instead; the RCS5T sells on throughput and serviceability.
- Rated up to 500 GPD for residential and light-commercial demand
- High-powered booster pump plus a built-in pressure gauge
- 1.5:1 pure-to-drain ratio at high throughput
- Standard replaceable cartridges are fast to service at volume
- Accepts a wide 40-70 psi feed pressure range
- Tankless design frees under-sink space
- No NSF/ANSI certification listed
- Larger 14 x 11 x 18 in footprint than the enclosed RO500 units
- Requires an under-sink electrical outlet
- Premium price aimed at commercial buyers
- Municipal water only; well water needs pre-treatment
- Assembled in China
The iSpring RCS5T is a five-stage, tankless reverse osmosis system built for residential and light-commercial use, rated at up to 500 GPD. Water passes through a sediment filter, a granular activated carbon filter, a carbon block filter, a 500 GPD RO membrane, and a post-carbon filter. A high-powered booster pump and a built-in pressure gauge let it hold output on demanding supply lines.
It runs at roughly a 1.5:1 pure-to-drain ratio and accepts feed pressure from 40 to 70 psi. The RCS5T uses standard replaceable cartridges rather than the enclosed composite filters of the RO500 line, which suits higher-throughput settings like offices, cafes and small labs.
iSpring does not list NSF/ANSI certification for the RCS5T, so its contaminant reduction is described from manufacturer specifications. It requires electricity and is intended for municipal tap water.
Additional information
Specification: iSpring RCS5T 5-Stage Commercial Tankless Reverse Osmosis System, 500 GPD
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