Mikrofill Digital Pressurisation Unit Maxi Plus AP 240 – Twin Pump – 73 Ltr/min – Single Phase – Left-hand Entry

The Mikrofill Digital Pressurisation Unit Maxi Plus AP 240 provides intelligent pressure management for large sealed heating, chilled water, refrigeration, and industrial cooling systems. The Mikrofill Digital Pressurisation Unit Maxi Plus AP 240 uses advanced microprocessor technology to continuously monitor system pressure and automatically restore it whenever required. As a result, it helps maintain stable operating conditions while protecting connected equipment from pressure fluctuations.

Designed for demanding commercial and industrial environments, this model features twin pumps, a 73 Ltr/min maximum flow rate, a 230V single-phase electrical supply, and a left-hand entry configuration. Furthermore, the twin-pump design provides built-in duty and standby operation, improving reliability while reducing downtime during maintenance or unexpected pump failure.

In addition, the integrated digital controller features a large LCD graphic display, automatic filling and top-up functions, leak detection monitoring, dry-run protection, and intelligent self-diagnostic electronics. Consequently, engineers can monitor system performance more efficiently while reducing maintenance time and improving long-term reliability.

The Mikrofill Digital Pressurisation Unit Maxi Plus AP 240 also incorporates Category 5 backflow protection with a Type AB air gap, helping meet current water regulations. Moreover, the unit includes Modbus RTU BMS communication together with programmable volt-free relays for seamless integration into Building Management Systems. These features make it suitable for modern commercial plant rooms where remote monitoring and intelligent control are essential.

Constructed with a durable powder-coated steel enclosure, the unit is built to withstand demanding operating environments. Whether you are installing a new HVAC system or upgrading an existing plant room, the Mikrofill Digital Pressurisation Unit Maxi Plus AP 240 delivers dependable pressure control, energy-efficient operation, and long-term performance.

Need another model? Browse our Mikrofill Pressurisation Units collection.

For detailed technical specifications and installation guidance, visit the Official Mikrofill Website.

Key Features

• Twin pump configuration
• 73 Ltr/min maximum flow rate
• Single Phase (230V) power supply
• Left-hand entry configuration
• Digital LCD graphic display
• Automatic system filling and top-up
• Duty/standby pump operation
• Dry-run protection
• Leak detection monitoring
• Intelligent self-diagnostic electronics
• Category 5 backflow protection
• Modbus RTU BMS interface
• Four programmable volt-free relays
• Powder-coated steel enclosure

Benefits

• Maintains accurate system pressure automatically
• Provides pump redundancy for greater reliability
• Protects boilers, chillers, and pipework
• Reduces maintenance requirements
• Integrates with Building Management Systems
• Delivers dependable long-term performance