SpiroExpand PicoControl Kompakt (EPCK)
SpiroExpand PicoControl Kompakt (EPCK) - Image 2
SpiroExpand PicoControl Kompakt (EPCK) - Image 3

SpiroExpand PicoControl Kompakt (EPCK)

SpiroExpand PicoControl Kompakt (EPCK) – Compact Pressurization Units for Small Systems

SpiroExpand PicoControl Kompakt (EPCK) is a compact pressurization unit designed for small-scale heating systems. The unit operates with a single pump (Solo configuration) and maintains system pressure using pump-controlled operation in combination with closed expansion vessels.

Available Versions

EPCK systems are available in six nominal expansion volumes: 45, 75, 125, 200, 300, and 500 litres.

Maximum operating pressure: 4.0 bar

Maximum connection temperature: 70°C

Maximum system safety temperature: 110°C

System Configuration

  • Single pump system (1 × 100%)
  • One mechanical overflow valve (1 × 100%)
  • Pump-based pressure maintenance principle

Key Advantages

  • High-end technology developed and manufactured in Austria
  • Compact and space-saving design
  • All-in-one solution for safe and user-friendly operation
  • Expansion and pressure control based on MultiControl principle
  • Extremely quiet operation
  • Level measurement via pressure sensors in expansion vessels
  • Two signal contacts included as standard (fault/warning)
  • Remote monitoring capability via bus or web module

Optional Accessories

  • Controlled automatic refill (activated via signal contact)
  • Water softening systems
  • Full desalination solutions

Applications and Standards

SpiroExpand PicoControl Kompakt units are designed to absorb expansion volume and maintain constant pressure in closed heating, cooling, and air conditioning systems in accordance with DIN EN 12828.

EPCK Features

  • Plug-and-play installation – no assembly required
  • Integrated non-pressurised expansion vessel (45–500 litres)
  • Optimised utilisation of vessel volume
  • Ideal for small technical spaces
  • Low-noise circulation pump with high-quality mechanical seals
  • Precise pressure and temperature control
  • Excellent control performance via mechanical overflow valve
  • Bus communication options: Modbus RTU, Profibus, BACnet

For assistance in selecting the appropriate EPCK system or additional components, please contact our technical experts.