Sealed System Pressurisation Units

(87 products)

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  1. Dab Esybox Electronic Water Pressure System - 230V

    DA-60147200

    DAB - ESYBOX Electronic Water Pressure System - 230V - 120 Ltr/min - 65m Head

    Note: The above unit cannot be connected directly to a water company water supply; it must be fed by a break tank to adhere to U.K water by-laws.

    3 Year Warranty

    The DAB ESYBOX Electronic Water Pressure System - 230V is a Pressurisation Unit item. This product is manufactured by Dab. Voltage for this item is 230V. It has an actual flow rate of 120 Ltr/min. The maximum head for this pump is 65m. This is a Surface Mounted pump which can be suitable when the pump can sit in a dry, accessible location and draw liquid in via a suction pipe or hose.

    The operating pressure of this is 8 Bar.



    £1,843.15 RRP £895.86 £746.55
    In Stock In stock
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  2. Dab Esybox Electronic Water Pressure System - Mini Version

    60212601 / 60183504

    DAB - ESYBOX Electronic Water Pressure System - Mini Version - 80 Ltr/min - 50m Head

    TECHNICAL DATA

    Operating range: capacity up to 80 l/min; head up to 50 m

    Liquid quality requirements: clean, free from solid or abrasive contaminants, non-viscous, non-aggressive, uncrystallised and chemically neutral.

    Liquid temperature range: from 0°C to +35°C for domestic use for other use: from 0°C to +40°C

    Maximum suction depth: 8 meters

    Maximum ambient temperature: +50°C

    Maximum operating pressure: 7,5 Bar. (750 kPa)

    Motor protection rating: IPX4

    Insulation class: F

    Installation: Horizontal or vertical fixed position

    APPLICATIONS

    ESYBOX mini is the DAB compact automatic pressurisation system for the water supply of a single dwelling. This product is manufactured by Dab. ESYBOX mini guarantees the comfort of constant pressure (Pressure Set Point adjustable from 1 up to 5 Bar.) inside the system, and energy savings thanks to the inverter technology. Appropriate for use with drinking water, in domestic systems, and in gardening applications. ESYBOX mini does not require any additional components for its installation.

    The DAB ESYBOX Electronic Water Pressure System - Mini Version is a Pressure System item. It has an actual flow rate of 80 Ltr/min. The maximum head for this pump is 50m.

    The operating pressure of this is 5 Bar.



    £1,013.38 RRP £479.40 £399.50
    In Stock In stock
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  3. Stuart Turner Flomate iBoost Mains Water Pressure Booster - 4.5 Bar

    ST-46668

    Stuart Turner - MainsBoost iBoost F200-100-45 Fixed Speed Cold Water Booster Set 230V - 3/4 Inch

    Integrated Booster Setup

    Inadequate throughput rates and liquid pressure are common shortcomings for many properties, often resulting in underperforming showers and water using appliances. iBOOST offers a solution.
    These fully integrated systems combine a 200 litre cold water storage tank and a high performance, multi-stage pump to overcome restricted water flow and insufficient pressure.


    The iBOOST F200 features simple to operate fixed speed controls and is capable of generating pressures of up to 4.5 bar. and flow rates of up to 100 litres per minute, typically operating at 60 litres per minute at 3.0 bar. pressure.


    £2,746.80 RRP £1,785.42 £1,487.85
    In Stock In stock
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  4. Mikrofill - 3 Pressurisation Unit - EFD120021 - 230V - 14 Ltr/min

    EFD120021-1

    Mikrofill - 3 Pressurisation Unit - EFD120021 - 230V - 14 Ltr/min

    The Mikrofill 3 Pressurisation Unit - EFD120021 is a Pressurisation Unit item. This product is manufactured by Mikrofill. Voltage for this item is 230V. It has an actual flow rate of 14 Ltr/min. This is a Surface Mounted pump which can be suitable when the pump can sit in a dry, accessible location and draw liquid in via a suction pipe or hose.

    Unlike “pump type pressurisation units the Mikrofill 3 is developed to be connected directly to a buildings incoming mains/boosted water supply and fill a heating or chilled water system without the use of a pump.

    The Mikrofill 3 utilises the energy already generated by the mains water or boosted water supply and does not contain an RPZ valve.

    Pre – commissioned packages are available which include the Mikrofill 3 with appropriately sized vessels and service drain valves.

    The operating pressure of this is 5 bar.


    £1,616.40 RRP £1,498.80 £1,249.00
    In Stock In stock
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  5. Stuart Turner SPU 130 Mini Pressurisation Unit - Wall Mounted

    ST46719

    Stuart Turner - SPU 130 Mini Pressurisation Unit - Wall Mounted - 1/2 Inch

    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.

    Pump Number 1
    Type Solenoid-piston
    Duty rating Intermittent (S3)
    Break Tank Capacity 3 litres
    inlet valve Torbeck (side entry)
    Fluid category protection CAT 5 (type AB air gap with weir overflow)
    Connections Mains supply inlet G
    System outlet 15 mm compressioon
    Overflow G (19/23 mm pipe connection)
    Flexible hose - outlet 15 mm x 600 mm

    £912.00 RRP £514.80 £429.00
    In Stock In stock
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  6. Stuart Turner SPU 230 Mini Pressurisation Unit - Wall Mounted

    ST46720

    Stuart Turner - SPU 230 Mini Pressurisation Unit - Wall Mounted - Obsolete - 1/2 Inch

    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.

    Pump Number 2
    Type Solenoid-piston
    Duty rating Intermittent (S3)
    Break Tank Capacity 3 litres
    inlet valve Torbeck (side entry)
    Fluid category protection CAT 5 (type AB air gap with weir overflow)
    Connections Mains supply inlet G
    System outlet 15 mm compressioon
    Overflow G (19/23 mm pipe connection)
    Flexible hose - outlet 15 mm x 600 mm

    Out Of Stock
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  7. Stuart Turner SPU 135 Midi Pressurisation Unit - Wall or Floor Mounted

    ST46721

    Stuart Turner - SPU 135 Midi Pressurisation Unit - Wall or Floor Mounted - Obsolete - 1/2 Inch

    The Stuart Turner SPU 135 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.

    Pump Number 1
    Type Solenoid-piston
    Duty rating Intermittent (S3)
    Break Tank Capacity 8 litres
    inlet valve Torbeck (side entry)
    Fluid category protection CAT 5 (type AB air gap with weir overflow)
    Connections Mains supply inlet G
    System outlet 15 mm compressioon
    Overflow G (19/23 mm pipe connection)
    Flexible hose - outlet 15 mm x 600 mm

    Out Of Stock
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  8. Stuart Turner SPU 150 Midi Pressurisation Unit - Wall or Floor Mounted

    ST46723

    Stuart Turner - SPU 150 Midi Pressurisation Unit - Wall or Floor Mounted

    The Stuart Turner SPU 150 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.

    Pump Number 1
    Pump mode Duty
    Type Peripheral
    Motor Induction, auto-reset thermal trip
    Duty rating Continuous (S1)
    Break Tank Usable water capacity 8 litres
    Inlet valve and fill rate Torbeck (side entry) 12 l/min
    Fluid category protection CAT 5 (type AB air gap with weir)
    Connections Cold water inlet and outlet 15 mm compression x 600mm flexible hose
    Overflow G (19/23mm diameter pipe compression fitting)

    £1,826.40 RRP £1,078.80 £899.00
    In Stock In stock
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  9. Stuart Turner SPU 235 Midi Pressurisation Unit - Wall or Floor Mounted

    ST46722

    Stuart Turner - SPU 235 Midi Pressurisation Unit - Wall or Floor Mounted - Obsolete

    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.

    Pump Number 2
    Type Peripheral
    Motor Induction, auto-reset thermal trip
    Duty rating Continuous (S1)
    Break Tank Usable water capacity 8 litres
    Inlet valve and fill rate Torbeck (side entry) 12 l/min
    Fluid category protection CAT 5 (type AB air gap with weir)
    Connections Cold water inlet and outlet 15 mm compression x 600mm flexible hose
    Overflow G (19/23 mm diameter pipe compression fitting)

    Out Of Stock
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  10. Stuart Turner SPU 250 Midi Pressurisation Unit - Wall or Floor Mounted

    ST-46724

    Stuart Turner - SPU 250 Midi Pressurisation Unit - Wall or Floor Mounted - Obsolete

    Digital Pressurisation Unit

    MID-RANGE POWER WITH PEAK OPERATION

    The Mikrofill MIDI is a flexible and high-performance pressurisation pump designed to maintain pressure in large domestic and light commercial sealed systems, including heating systems, chilled water systems, refrigeration pumps, and industrial cooling systems. Featuring continuously rated brass peripheral pumps, the MIDI ensures reliable operation with minimal maintenance.

     

    Thanks to its compact design, the Mikrofill MIDI can be wall or floor mounted, making it exceptionally easy to install and commission. With a cold fill pressure of up to 4.1 bar. and an 8-litre tank capacity, the pump is built to meet the demands of systems up to 150,000 litres.

     

    The advanced digital control system and automated fill and top-up functions guarantee precise pressure management. Its high flow, KIWA-approved fill valve and flexible connection options add to its ease of use and efficiency.

     

    Designed for consistent performance and built for durability, the Mikrofill MIDI is the ideal solution for both heating and cooling applications, providing seamless pressure control with minimal maintenance.


    Out Of Stock
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  11. Flamco Flexfiller Mini 130D Pressurisation Unit - Digital - Single Pump

    17455

    Flamco - Flexfiller Mini 130D Pressurisation Unit - Digital - Single Pump - 3 bar

    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.


    £1,605.86 RRP £926.40 £772.00
    In Stock 4 week lead time
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  12. Flamco Flexfiller Mini 230D Pressurisation Unit - Digital - Dual Pump

    17456

    Flamco - Flexfiller Mini 230D Pressurisation Unit - Digital - Dual Pump - 3 bar

    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.


    £1,754.90 RRP £1,026.00 £855.00
    In Stock In stock
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  13. Trebles 5191-PH1L Single Pump Mechanical Pressurisation Unit

    5191-PH1L

    Trebles - 5191-PH1L Single Pump Mechanical Pressurisation Unit - 3 Bar.

    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

    £1,074.00 RRP £751.80 £626.50
    In Stock In stock
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  14. Trebles 5201-PH1D Single Pump Digital Pressurisation Unit

    5201-PH1D

    Trebles - 5201-PH1D Single Pump Digital Pressurisation Unit - 3 Bar.

    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

    £1,422.00 RRP £995.40 £829.50
    In Stock In stock
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  15. Trebles 5202-PH2D Twin Pump Digital Pressurisation Unit

    5202-PH2D

    Trebles - 5202-PH2D Twin Pump Digital Pressurisation Unit - 3 Bar.

    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

    £2,104.80 RRP £1,473.36 £1,227.80
    In Stock In stock
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  16. Wilo P135 Comfort Pressurisation Unit

    2819492

    Wilo - P135 Comfort Pressurisation Unit - Floor Mounted - 230V - Single Phase

    The Wilo - Comfort single pump pressurisation units are engineered for use on heating or chilled water systems up to and including 3.5 bar. Cold fill pressures.

    The unit is fitted with an 18 litre polypropylene break tank c/w type AB air gap to BS13077:2008 and water regulations 1999, Wras approved equilibrium ball float valve to BS1212 and a low water float switch and strainers for pump protection.

    Each pump is fitted with a non return valve and quick release couplings for ease of maintenance. The pressure transducer monitors the system pressure and feeds a 0-10v signal to the comfort controller.

    Comfort Controller is complete with the following incorporates:

    User friendly interface that has a 2 line LCD backlight display, Healthy / fail LED, Password protection, System Fill for initial fill of system, Pump check routine, that runs the pump for 2 seconds if inactive for 7-90 days, Pump trip and fail alarms, System leak alarm, Excessive starts alarm, Alarm log, Hours Run, and Connectivity: BACnet = RS485 interface, BACnet MS/TP protocol.

    2 wire BACnet

    Volt Free Contacts are supplied with terminals for common, normally open and normally closed.

    (5A, 230V)

    Pump no.1 trip, Pump no. 1 run, High Pressure, Low Pressure, Excess starts, Low water and Boiler Interlock (NC only)

    (10A, 230V)

    To be selected from Power fail, Common alarm, Common pressure alarm

    Standards Applied:

    Low Voltage and Machinery Directive 2006/42/EC, EMC Directive EMC 2004/108/EC, BSEN809, BS7074-1 to 3, BS13077:2008 and water regulations 1999.


    £2,556.00 RRP £1,078.80 £899.00
    In Stock In stock
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Sealed System Pressurisation Units

Sealed System Pressurisation Units

Sealed system pressurisation units automatically maintain water pressure in closed heating and cooling systems, removing the need for manual top-ups. When pressure drops due to leaks or natural loss, these units detect the change and restore the system to its correct operating level, keeping everything running safely and efficiently.

 

They help prevent airlocks, reduce system wear, and minimise downtime, making them essential for larger or more complex installations where manual monitoring isn’t practical. Our range includes compact, reliable units from leading brands that are purposely designed for simple installation and dependable long-term performance.