Mikrofill SPU 235 Midi Pressurisation Unit – Wall or Floor Mounted

The Mikrofill SPU 235 Midi Pressurisation Unit is designed to provide dependable automatic pressure management for sealed heating and chilled water systems. The Mikrofill SPU 235 Midi Pressurisation Unit continuously monitors system pressure and automatically restores the correct operating pressure whenever required. As a result, it helps protect boilers, pumps, valves, heat exchangers, and pipework while maintaining efficient system performance.

Designed for flexible installation, this model can be mounted on a wall or positioned on the floor, making it suitable for a wide variety of plant room layouts. Furthermore, its durable steel construction provides dependable operation in demanding domestic, commercial, and light industrial environments. The compact design also helps simplify installation while providing easy access for servicing and routine maintenance.

In addition, the automatic system top-up function reduces the need for manual filling by maintaining the correct operating pressure throughout normal system operation. Consequently, pressure fluctuations are minimised, reducing unnecessary stress on connected equipment and helping to improve overall system efficiency. This intelligent pressure management supports longer equipment life while reducing ongoing maintenance requirements.

The Mikrofill SPU 235 Midi combines reliable performance with straightforward operation, making it an excellent choice for professional installers, contractors, and facilities managers. Moreover, its versatile installation options allow it to integrate easily into both new heating projects and replacement installations.

Whether you are upgrading an existing pressurisation system or installing a new sealed heating or chilled water system, the Mikrofill SPU 235 Midi Pressurisation Unit delivers dependable pressure control, simple installation, and long-lasting operational reliability.

Need another model? Browse our Mikrofill Pressurisation Units collection to explore the complete Mikrofill range.

For detailed technical specifications, installation instructions, and product documentation, visit the Official Mikrofill Website.

Key Features

• Wall or floor mounted installation
• Automatic pressure monitoring
• Automatic system top-up
• Suitable for sealed heating systems
• Suitable for chilled water systems
• Heavy-duty steel construction
• Compact and versatile design
• Easy installation and servicing
• Low maintenance operation
• Long service life

Benefits

• Maintains stable system pressure
• Protects boilers, pumps, valves, and pipework
• Reduces manual system filling
• Improves heating and cooling system efficiency
• Helps extend equipment lifespan
• Delivers dependable long-term performance