Timely shipping, product received in good condition. Installation was quick.
Watersprint UVC LED / Watersprint Core 20






Watersprint · UVC LED
Watersprint Core 20
Model WS-40-2422
Watersprint Core 20 is a whole-house UVC LED water disinfection system for flow rates up to 8 gpm. It installs where water enters the home, reaches full output the moment water flows and rests at under 1 W in standby. Designed and produced in Sweden.
Watersprint's team prepares your custom quote. We'll coordinate it and follow up with you.
The details
Specifications and requirements
Specifications
| Model number | WS-40-2422 |
|---|---|
| Maximum flow rate | 8 gpm |
| Dimensions (H × W) | 11″ × 5⅝″ |
| Connections | Inlet ¾″ MNPT, outlet ¾″ FNPT |
| Weight | 4.4 lb |
| Input | 100 to 240 VAC, 50/60 Hz |
| Power | 52 W, under 1 W in standby |
| UVC LED replacement interval | 3,000 active hours, about 5 to 7 years of normal use for a household of four |
| Water temperature | 34 to 122°F |
| Ambient temperature | 34 to 104°F |
| Maximum water pressure | 145 psi |
| Pressure drop at maximum flow | Under 7.25 psi |
| IP rating | IP21 |
| Automatic, instant start | Yes, with the external flow sensor |
| Hygienic Pulsing | Yes |
| Certifications | NSF/ANSI 55 Class B, NSF/ANSI 372, RoHS, REACH, CE |
The replacement interval is at a nominal water temperature of 77°F. Class B systems are for supplemental UV treatment of city water or water that has been tested.
Performance
| UV dose | Core 20 | Core 40 |
|---|---|---|
| 16 mJ/cm² at 95% UVT | 8 gpm | 16 gpm |
| 30 mJ/cm² at 95% UVT | 5 gpm | 10 gpm |
| Maximum flow rate | 8 gpm | 16 gpm |
Based on a third-party validated bioassay.
What's in the box
- Watersprint Core water disinfection unit
- Controller unit
- Wall bracket
- Power supply
- Flow sensor
- 4 screws for the unit and wall bracket
- Ring wrench
Wall fasteners and thread sealing tape are not included.
Water quality requirements
Incoming water quality decides how well UVC disinfection performs. These are the recommended levels for Watersprint Core. Pre-filtration may be needed, depending on your water.
| Parameter | Recommended level |
|---|---|
| UV transmittance (UVT) | Above 95% |
| Turbidity | Below 0.3 NTU |
| Hardness | Below 8.3 gpg |
| Iron | Below 0.3 ppm |
| Manganese | Below 0.05 ppm |
| Tannins | Below 0.1 ppm |
| Color | Below 10 mg/L Pt |
| Maximum particle size | Below 20 microns |
Not sure about your water? Get your Free Water Match.
Installation and maintenance
- Installs at the point where water enters the home. Installation by a qualified professional is recommended.
- The unit mounts with horizontal inlet and outlet connections and can be turned for a left or a right inlet.
- The status light on the controller shows when the system is on, when disinfection is active and when service is due.
- Clean the reflector assembly at least once a year.
- Replace the UVC LED unit every 5 to 7 years, depending on use.
Warranty
2-year guarantee on the LED and electrical components and an 8-year guarantee on the other components, when the system is installed and maintained according to the user manual. This applies to point-of-entry installations in an average household with normal water consumption.
Watch
See it in action
Request a quote
Get your Watersprint Core 20 quote
Watersprint's team prepares your custom quote. We'll coordinate it and follow up with you.