Complete Water Control & Leak Protection for Every Pipe.

Intelligent flow monitoring, micro-leak detection, and automated shut-off. Securing residential and commercial properties against water damage.

Shared Key Features (All Models)

These features apply to both DN20 and DN40 series.

  • Micro-Leak Detection: Identifies small leaks of less than 100ml per minute to prevent costly water damage.
  • Automated Security: Auto shut-off valve triggers immediately upon leak detection.
  • Robust Build: Constructed with PPS GF40, SUS 304 Stainless Steel, and Brass for longevity.
  • Smart Ecosystem: Works with the Smawatec App and PC Dashboard for real-time monitoring, usage statistics, and multi-site management.
  • Connectivity Options: Available in WiFi, WiFi+GSM, or WiFi+LoRa configurations.

Select Your Configuration

WiFi Edition WiFi + LoRa Edition WiFi + GSM Edition
Ideal for: Smart Homes & Offices Ideal for: Large Campuses & Deep Basements Ideal for: Remote Sites & Standalone Units
  • Standard 802.11n WiFi
  • Bluetooth 5 LE App Control
  • Cloud Reporting
  • Long-range low power communication
  • Connects to LoRa Gateways
  • Excellent penetration through concrete
  • Independent Cellular Connection
  • No local internet infrastructure needed
  • Maximum redundancy
Models: Models: Models:
  • FlowStopper DN20 (WiFi)
  • FlowStopper DN40 (WiFi)
  • FlowStopper DN20 (LoRa)
  • FlowStopper DN40 (LoRa)
  • FlowStopper DN20 (GSM)
  • FlowStopper DN40 (GSM)

Technical Specifications

Differentiated to ensure accuracy. DN20 data is populated from your documents; DN40 is separated.
Feature DN20 Series Specs
Dimensions 27 × 16.3 × 6 cm
Weight 1580g
Display 1.4” IPS Color (172x320)
Operating Pressure 0.5 Bar – 10 Bar
Water Temperature 2°C – 70°C
Power Supply USB-C (5V) / 3.6V Internal
Backup Battery 700mAh LiFePo4
Measuring Accuracy Min. 6L/h (Err ±5%) to Max. 2500L/h
IP Class Sensor IP68 / Case IP55

Software & Management

Mobile App

Real-time flow visualization, remote open/close, and “Water Alarm” notifications.

Offline Capability

Rules and flow limits are stored locally on the device, ensuring protection even without an active internet connection.

PC Dashboard

Professional multi-site management for our commercial clients.

Certifications

The flow stopper complies with the technical rules for drinking water installations in accordance with DIN EN 806 et seq. and the national supplement DIN 1988 et seq., as well as DIN EN 1717. It has been developed in accordance with the requirements of the DVGW testing specification VP 638 (“Leak detectors for installation in drinking water systems”). DVGW certification is currently in the application process. Secure Your Water Infrastructure Today. Inquire with us:
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