SpiroVent Superior S400

High-Performance Vacuum Degasser

SpiroVent Superior S400 is a fully automatic vacuum degasser optimized for medium-sized and large heating and cooling systems. It is a reliable choice when system pressure and volume exceed the range of basic models.

The S400 eliminates gas-related problems by creating a controlled vacuum that releases dissolved gases from the system water. The unit features SmartSwitch technology, which automatically adjusts operation based on gas content, reducing energy consumption and extending service life.

Key Benefits of SpiroVent Superior S400

  • Operating pressure range: Reliable performance in systems with 1.0–4.0 bar pressure.
  • SmartSwitch control: Detects when degassing is complete and switches to standby mode to save energy; automatically restarts when needed.
  • Automatic refill options (-R / -B): Monitors system pressure and adds fluid when required to maintain optimal operating conditions.
  • User-friendly interface: Clear touchscreen display and intuitive menu for easy commissioning and monitoring.

Technical Specifications – SpiroVent Superior S400

  • Operating pressure: 1.0 – 4.0 bar
  • Fluid temperature range: 0 – 90 °C
  • Ambient temperature: 0 – 40 °C
  • Processing capacity: 500 l/h
  • Connections (inlet/outlet): G 3/4” (female thread)
  • Power supply: 230 V / 50 Hz
  • Rated power: 0.5 kW
  • Weight (empty): 34 kg
  • Dimensions (H x W x D): 930 x 346 x 334 mm

Applications and Installation

  • Multi-storey residential buildings (over 5 floors)
  • Large commercial and office buildings
  • Closed-loop industrial systems

Installation tip: Because the S400 handles larger volumes and higher pressures than smaller models, it is important to ensure that the expansion vessel is correctly sized and that the unit is installed in the optimal location—typically in the main return line.

For more information or support in system design, please contact our experts.