The Stuart Turner SPU 130 Mini Pressurisation Unit is perfect for domestic use.

Quick and simple installation. Housed in a compact and robust housing for easy wall mounting.

Comes with category 5 backflow protection, Type AB air gap , weir overflow and warning pipe.

ISO 9001:2015

BS EN 60335 compliant

CE compliant

WRAS Compliant.

Comes complete with 2 years warranty.

The Stuart Turner SPU 230 Mini Pressurisation Unit is perfect for domestic use.

Quick and simple installation. Housed in a compact and robust housing for easy wall mounting.

Comes with category 5 backflow protection, Type AB air gap , weir overflow and warning pipe.

ISO 9001:2015

BS EN 60335 compliant

CE compliant

WRAS Compliant.

Comes complete with 2 years warranty.

The Stuart Turner SPU 235 Midi Pressurisation Unit is perfect for domestic use.

Quick and simple installation. Housed in a compact and robust housing for easy wall mounting. This pump can also be floor mounted.

For ease of installation the midi range comes with a configurable option for the flexible hose outlet connection of either left or right handed.

Comes with category 5 backflow protection, Type AB air gap , weir overflow and warning pipe.

ISO 9001:2015

BS EN 60335 compliant

CE compliant

WRAS Compliant.

Comes complete with 2 years warranty.

Built for tight installs, the Flexfiller Mini 130D is a slim, wall-mounted, single pump digital pressurisation unit for sealed LPHW/CHW systems, using an electronic pressure transducer and microprocessor control to maintain minimum system pressure.

A 0.4 L/min low-flow top-up paired with a 2 Ltrs internal break tank suits small commercial or large domestic applications. Pressure is adjustable in 0.1 Bar steps across a 0.53 Bar range. Suitable for heating systems with expansion vessels ≤ 300 Ltrs or chilled systems with expansion vessels ≤ 50 Ltrs. Single or twin-pump configurations available.

• Digital control with electronic pressure transducer
• 0.4 L/min top-up; 2 Ltrs break tank
• MODBUS RTU integration; password-protected access
• Category 5 protection (Type AB weir overflow)

Finished in white (RAL 9003) and powered from 230V 50Hz 1ph, the Mini 130D adds flood-protection routines, event logging and a 12-month on-screen service reminder for straightforward commissioning and operation.

Built for tight installs, the Flexfiller Mini 230D is a slim, wall-mounted, dual pump digital pressurisation unit for sealed LPHW/CHW systems, using an electronic pressure transducer and microprocessor control to maintain minimum system pressure.

A 0.4 L/min low-flow top-up paired with a 2 Ltrs internal break tank suits small commercial or large domestic applications. Pressure is adjustable in 0.1 Bar steps across a 0.53 Bar range. Suitable for heating systems with expansion vessels ≤ 300 Ltrs or chilled systems with expansion vessels ≤ 50 Ltrs. Single or twin-pump configurations available.

• Digital control with electronic pressure transducer
• 0.4 L/min top-up; 2 Ltrs break tank
• MODBUS RTU integration; password-protected access
• Category 5 protection (Type AB weir overflow)

Finished in white (RAL 9003) and powered from 230V 50Hz 1ph, the Mini 130D adds flood-protection routines, event logging and a 12-month on-screen service reminder for straightforward commissioning and operation.

The Trebles - 5191-PH1L Single Pump Pressurisation Unit is a robust and relaible floor mounted pressurisation unit that is suitable for both industrial and commercial applications. For us on sealed systems in order to maintain a minimum operating pressure.

It has an open design which allows for ease of serviceability but also provides the option of manual dosing via the tank should this be required.

This pressurisation unit uses a multi-stage Pump in order to drastically reduce any risk of seizure, commonly found with peripheral Pumps featured in most other pressurisation units on the market.

As standard, The digital controller on the unit provides 2 programmable volt free contacts which can be configured to high/low pressure, common fault, Pump fault, system fault, water leak, service due alarms. There is also the option to expand, allowing for an additional 3 volt free contacts.

Features:

• Quick Fill Option
• Flood Protection
• Digital Controller
• Pressure Vessel
• Dry Run Protection
• Volt Free Contacts
• Password Protection

The Trebles - 5201-PH1D Single Pump Pressurisation Unit is a robust and relaible floor mounted pressurisation unit that is suitable for both industrial and commercial applications. For us on sealed systems in order to maintain a minimum operating pressure.

It has an open design which allows for ease of serviceability but also provides the option of manual dosing via the tank should this be required.

This pressurisation unit uses a multi-stage Pump in order to drastically reduce any risk of seizure, commonly found with peripheral Pumps featured in most other pressurisation units on the market.

As standard, The digital controller on the unit provides 2 programmable volt free contacts which can be configured to high/low pressure, common fault, Pump fault, system fault, water leak, service due alarms. There is also the option to expand, allowing for an additional 3 volt free contacts.

Features:

• Quick Fill Option
• Flood Protection
• Digital Controller
• Pressure Vessel
• Dry Run Protection
• Volt Free Contacts
• Password Protection

The Trebles - 5202-PH2D Twin Pump Pressurisation Unit is a robust and reliable floor mounted pressurrisation unit that is ideally suited for both industrial applications and commercial applications.

The 5202-PH2D comes with a digital controller as standard and provides 2 programmable volt free contacts which can be configured to high/low pressure, common fault, Pump fault, system fault, water leak, service due alarms. There is also the option of expanding this which provides an additional 3 volt free contacts.

The open design of this pressurisation unit allows for easy servicing and the option of manually dosing via the tank.

Features:

• Quick Fill Option
• Dry Run Protection
• Digital Controller
• Flood Protection
• Password Protection
• Volt Free Contacts

The Mikrofill MINI SPU130 - 3 bar. is a compact, digital pressurisation unit for domestic and light commercial sealed systems — covering LPHW, CHW, refrigeration and industrial cooling.

Wall-mounted for easy install and commissioning, it delivers a 3.0 Bar cold fill and integrates a 2 Ltrs tank, making it ideal for systems up to 6,000 Ltrs.

• Digital control with LED display
• Automated top-up for consistent pressure
• High-flow, KIWA-approved fill valve
• Category 5 backflow protection (Type AB air gap)

Outlet can be configured left or right using the supplied flexible hose, keeping installs neat in tight plant spaces.

Technical Specifications Mains Supply Pressure : 0. 5 – 6. 0 bar. System PN Rating : PN6. Maximum Top-Up Pressure : 3. 0 bar. Humidity Range : 60–70%, non-condensing.

The Mikrofill MINI SPU230 - 3 bar. is a compact, digital pressurisation unit for domestic and light commercial sealed systems — covering LPHW, CHW, refrigeration and industrial cooling.

Wall-mounted for easy install and commissioning, it delivers a 3.0 Bar cold fill and integrates a 2 Ltrs tank, making it ideal for systems up to 6,000 Ltrs.

• Digital control with LED display
• Automated top-up for consistent pressure
• High-flow, KIWA-approved fill valve
• Category 5 backflow protection (Type AB air gap)

Outlet can be configured left or right using the supplied flexible hose, keeping installs neat in tight plant spaces.

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.

Built for sealed heating and chilled water plant requiring automatic top-up, this Flexfiller Mini 230 G4 delivers reliable performance with a tidy, installer'friendly form.

Engineered for day'to'day plantroom demands, it helps maintain stable operation, protects equipment, and simplifies maintenance.

• Digital control and monitoring
• Automatic cold-fill top-up
• Compact wall-mounted format

Pair with suitable isolation, safety devices and treatment to meet site requirements and best practice.

Purpose-built for sealed systems, the FLAMCO – Pro PU 131 is a compact, wall-mounted digital pressurisation unit that uses an electronic pressure transducer and microprocessor control to maintain stable system pressure.

Delivering top-up flow rates up to 12 L/min via a 4 Ltrs internal break tank, it suits commercial, industrial and large domestic applications. The Pro PUm range supports single or twin-pump configurations and is tuned for quick installation and commissioning.

• 0.1 Bar pressure-set increments; max 3 Bar
• MODBUS RTU communications; password-protected access
• Dry-run protection and flood-protection routines
• Service reminder after 12 months

Finished in grey (RAL 7016) and powered from 230V 50Hz 1ph, the unit features bi-directional menus, system fill mode and detailed event logging for hassle-free operation.

Designed for high-volume sealed systems, the FLAMCO 21603 Pro PU 231/1-3 is a floor-standing digital pressurisation unit using an electronic pressure transducer and microprocessor control to keep system pressure stable and safe.

Delivering top-up flow rates up to 18 L/min via an 18 Ltrs internal break tank, it suits commercial, industrial and large domestic applications. Available in single or twin-pump configurations for sealed LPHW/CHW systems (guide volume up to 300,000 Ltrs).

• Pressure setting in 0.1 Bar increments (max 3 Bar)
• MODBUS RTU communications; password-protected access; bi-directional menu
• Service reminder after 12 months; system fill mode
• Dry-run, anti-seize routine and flood-protection functions

Finished in grey (RAL 7016) and powered from 230V 50Hz 1ph, the Pro PU logs events and offers extensive volt-free contacts for BMS integration.

Blending top-up pressurisation with on-demand chemical dosing, the Flamco PressDS 225D Twin Pump maintains stable pressure on sealed systems while automatically mixing inhibitor from a dedicated tank at a preset ratio.

This floor-standing unit features a 4 Ltrs mains-fed break tank and an 18 Ltrs additive reservoir. Each top-up delivers water and the correct fluid blend together, cutting site visits and maximising system protection. Ideal for commercial and industrial plant (guide volume up to 300,000 Ltrs).

• Dual pump duty/standby configuration
• Mix control user-set from 150%
• Top-up to < 18 L/min; max delivery 3 Bar
• Category 5 (Type AB weir overflow) protection

Integration is simple via MODBUS RTU, password-protected menus and volt-free contacts, with flood protection, service reminders and additive-empty alerts built in. Finished in black (RAL 9005).