Mikrofill - SPU 135 Midi Pressurisation Unit - Wall or Floor Mounted

The Mikrofill MIDI SPU135 Pressurisation Unit is a versatile pressurisation unit for larger domestic and light commercial sealed systems — covering LPHW, CHW, refrigeration and industrial cooling. Floor or wall mountable.

Its compact design allows wall or floor mounting for fast installation and commissioning. An advanced digital control system with automated fill and top-up ensures precise pressure management, supported by a high-flow, KIWA-approved fill valve and flexible connection options.

• Mid-range power for systems up to 150,000 Ltrs
• Digital control with LCD display
• Automated system fill & top-up
• Compact footprint — wall or floor mount

With an 8 Ltrs integral tank and cold fill capability to 4.1 Bar, inlet and outlet can be configured left or right using the supplied flexible hoses. Category 5 backflow protection (Type AB air gap) adds safety and compliance.

Real-world product applications

• Boosting water pressure to multiple outlets in a building
• Maintaining stable pressure where demand varies
• Supplying water from storage tanks to distribution pipework
• Supporting general water supply and transfer systems
• Assisting with pressure control in utility installations

Key Product Features

• Applications: sealed LPHW/CHW, refrigeration and industrial cooling up to 150,000 Ltrs
• Pump: single (duty)
• Cold fill pressure:4.1 Bar
• Integral tank:8 Ltrs
• Controls: digital control system with LCD graphic display; automated system fill & top-up
• Valve: high-flow, KIWA-approved fill valve
• Installation: compact, wall or floor mounting; inlet/outlet configurable left/right (flexible hoses supplied)
• Protection:Category 5 backflow protection, Type AB air gap, weir overflow and warning pipe
• Warranty: 2-year warranty
• Operating pressure: 3.5 Bar.
• Flow rate: 1 Ltr/min
• Voltage: 230V