Skip links

EVA S3 Water Purifier

EVA Purifiers — Advanced Purification, Pure Living.

S3 400G Tankless RO Instant Hot Water Dispenser

Pure Water. Instant Heat. Smarter Living.

Advanced 400G tankless RO purification with instant heating, smart temperature control and mineralization for modern homes and offices.

Technical Specifications

Everything You Need to Know About the S3 RO Instant Hot Water Dispenser

Product Technology RO UV Tank
S3 RO Instant Hot Water Dispenser RO ● × Tankless
Feature Details
Instant Heating & High Flow 400G tankless RO, 1L/min+ flow rate with approximately 3-second spiral heating.
Healthy Mineralization Dedicated mineralization stage designed to provide weak-alkaline water.
5-in-1 Long-Life Filter 5-stage composite filtration system with a filtration capacity of up to 2,000L or approximately 1 year.
Smart Temperature & Volume Control Convenient temperature and water-volume control for personalized dispensing.
Water Efficiency More than 72% water recovery with an approximate 3:1 pure-to-waste ratio.
Eco-Friendly & Plug-and-Play Tankless countertop design with simple plug-and-play operation and no permanent installation required.
Safety Designed with built-in safety and intelligent operating features.
Technical Specifications
Hot Water Capacity Instant heating
Temperature Range 45°C / 60–85°C adjustable / 100°C
Filtration 5-stage composite filter: PP + Activated Carbon + 400G RO + Activated Carbon + Mineralization
UV Not specified
Total Filtration Capacity Up to 2,000L / approximately 1 year
RO Capacity 400G
Water Efficiency >72% recovery / approximately 3:1 pure-to-waste ratio
Tank Version Tankless design; no internal storage tank. External water addition required.
Design Countertop
Installation Plug-and-play / No permanent installation

Best For

Designed for compact kitchens and minimalist spaces, this high-efficiency multi-stage under-sink filtration system provides powerful water purification while maintaining a sleek, space-saving design.

Key Features

The purifier features a space-saving ultra-slim chassis designed to fit seamlessly into modern spaces, along with multi-layer sediment pre-filters that provide enhanced filtration and protection. An automated filter-life indicator keeps you informed about filter performance and replacement needs, making maintenance simple and convenient.

Ready for Smarter Water?

Upgrade your home or workplace with the S3 400G Tankless RO Instant Hot Water Dispenser.