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    Press Units & Booster Sets

    Within the mains water network, booster sets pump directly from a pressurised main (rather than a tank) to give the pressure a real 'boost'. Booster sets often incorporate a back-up or standby pump to ensure an uninterrupted supply in the event of a pump failure. A pressurisation unit is a means of pressurising a system, whether that's for heating requirements or simply maintaining pressure.

    Smith Brothers have access to a wide range of suppliers such as CORE, DAB, Wilo, Lowara and Stuart Turner (Microfill) to name a few.

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    Picture of CORE Press Unit 135 MIDI Wall/Floor (single pump)

    CORE Press Unit 135 MIDI Wall/Floor (single pump)

    COREMIDI135
    Core Midi Units are exceptionally easy to install and commission, housed in a compact and robust enclosure suitable for either floor or wall mounting. The single pump controlled pressurisation unit make it suitable for sealed systems of up to 300,000 litres. They are ideal for maintaining pressure in large domestic and commercial sealed heating systems, chilled water systems, refrigeration units and industrial cooling systems.
    Stock Availability: In stock
    Picture of CORE Press Unit 150 MIDI Wall/Floor (single pump)

    CORE Press Unit 150 MIDI Wall/Floor (single pump)

    COREMIDI150
    Core Midi Units are exceptionally easy to install and commission, housed in a compact and robust enclosure suitable for either floor or wall mounting. The single pump controlled pressurisation unit make it suitable for sealed systems of up to 300,000 litres. They are ideal for maintaining pressure in large domestic and commercial sealed heating systems, chilled water systems, refrigeration units and industrial cooling systems.
    Stock Availability: In stock
    Picture of CORE Press Unit 235 MIDI Wall/Floor (twin pump)

    CORE Press Unit 235 MIDI Wall/Floor (twin pump)

    COREMIDI235
    Core Midi Units are exceptionally easy to install and commission, housed in a compact and robust enclosure suitable for either floor or wall mounting. The Twin pump controlled pressurisation unit make it suitable for sealed systems of up to 300,000 litres. They are ideal for maintaining pressure in large domestic and commercial sealed heating systems, chilled water systems, refrigeration units and industrial cooling systems.
    Stock Availability: In stock
    Picture of CORE Press Unit 250 MIDI Wall/Floor (twin pump)

    CORE Press Unit 250 MIDI Wall/Floor (twin pump)

    COREMIDI250
    Core Midi Units are exceptionally easy to install and commission, housed in a compact and robust enclosure suitable for either floor or wall mounting. The Twin pump controlled pressurisation unit make it suitable for sealed systems of up to 300,000 litres. They are ideal for maintaining pressure in large domestic and commercial sealed heating systems, chilled water systems, refrigeration units and industrial cooling systems.
    Stock Availability: In stock
    Picture of CORE Press Unit 130 MINI Wall Hung (single pump)

    CORE Press Unit 130 MINI Wall Hung (single pump)

    COREMINI130
    Core Mini Units are exceptionally easy to install and commission, housed in a compact and robust enclosure suitable for wall mounting. The single pump controlled pressurisation unit make it suitable for sealed systems of up to 6,000 litres. They are ideal for maintaining pressure in large domestic and small commercial sealed heating systems, chilled water systems, refrigeration units and industrial cooling systems.
    Stock Availability: In stock
    Picture of CORE Press Unit 230 MINI Wall Hung (twin pump)

    CORE Press Unit 230 MINI Wall Hung (twin pump)

    COREMINI230
    Core Mini Units are exceptionally easy to install and commission, housed in a compact and robust enclosure suitable for wall mounting. The Twin pump controlled pressurisation unit make it suitable for sealed systems of up to 6,000 litres. They are ideal for maintaining pressure in large domestic and small commercial sealed heating systems, chilled water systems, refrigeration units and industrial cooling systems.
    Stock Availability: In stock
    Picture of CORE Press Unit 135 MAXI Floor (single pump)

    CORE Press Unit 135 MAXI Floor (single pump)

    COREMAXI135
    Core Maxi Units are exceptionally easy to install and commission, housed in a compact and robust enclosure suitable for floor or wall mounting. The single pump controlled pressurisation unit make it suitable for sealed systems of up to 300,000 litres. They are ideal for maintaining pressure in large domestic and commercial sealed heating systems, chilled water systems, refrigeration units and industrial cooling systems.
    Stock Availability: In stock
    Picture of CORE Press Unit 175 MAXI Floor (single pump)

    CORE Press Unit 175 MAXI Floor (single pump)

    COREMAXI175
    Core Maxi Units are exceptionally easy to install and commission, housed in a compact and robust enclosure suitable for floor or wall mounting. The single pump controlled pressurisation unit make it suitable for sealed systems of up to 300,000 litres. They are ideal for maintaining pressure in large domestic and commercial sealed heating systems, chilled water systems, refrigeration units and industrial cooling systems.
    Stock Availability: In stock
    Picture of CORE Press Unit 235 MAXI PLUS Floor (twin pump)

    CORE Press Unit 235 MAXI PLUS Floor (twin pump)

    COREMAXI235
    Core Maxi Units are exceptionally easy to install and commission, housed in a compact and robust enclosure suitable for floor or wall mounting. The Twin pump controlled pressurisation unit make it suitable for sealed systems of up to 300,000 litres. They are ideal for maintaining pressure in large domestic and commercial sealed heating systems, chilled water systems, refrigeration units and industrial cooling systems.
    Stock Availability: In stock
    Picture of CORE Press Unit 275 MAXI PLUS Floor (twin pump)

    CORE Press Unit 275 MAXI PLUS Floor (twin pump)

    COREMAXI275
    Core Maxi Units are exceptionally easy to install and commission, housed in a compact and robust enclosure suitable for floor or wall mounting. The twin pump controlled pressurisation unit make it suitable for sealed systems of up to 300,000 litres. They are ideal for maintaining pressure in large domestic and commercial sealed heating systems, chilled water systems, refrigeration units and industrial cooling systems.
    Stock Availability: In stock
    Picture of Mikrofill 3 EFD Unit Only

    Mikrofill 3 EFD Unit Only

    MIKROFILL3
    The MIKROFILL 3 is the most advanced “direct type” pressurisation unit available, suitable for LPHW/CHW applications of any size. The advanced control system electronically monitors sealed system pressure and provides a sophisticated leak detection alert capability and protection against flooding. It is the most energy efficient unit of its kind and is solely designed to be connected directly to a buildings incoming mains/boosted water supply and fill a heating or chilled water system without the use of any pumps. Compact in size 270mm x 250mm x 112mm and simple to install. WRAS approved, with a 2 year warranty included.
    Stock Availability: In stock
    Flamco Flexfiller Midi 125D Pressurisation Unit

    Flamco Flexfiller Midi 125D Pressurisation Unit

    FLA17460
    Flamco Flexfiller Midi 125D Wall mounted top-up Pressurisation unit with 4 litre internal break tank - Ideal for Industrial, commercial or large domestic applications - Single pump configuration - 3 bar maximum delivery pressure.
    Stock Availability: In stock
    Flamco Flexfiller Midi 150D Pressurisation Unit

    Flamco Flexfiller Midi 150D Pressurisation Unit

    FLA17461
    Flamco Flexfiller Midi 150D Wall mounted top-up Pressurisation unit with 4 litre internal break tank - Ideal for Industrial, commercial or large domestic applications - Single pump configuration - 6 bar maximum delivery pressure.
    Stock Availability: Out of stock
    Flamco Flexfiller Midi 225D Pressurisation Unit

    Flamco Flexfiller Midi 225D Pressurisation Unit

    FLA17462
    Flamco Flexfiller Midi 225D Wall mounted top-up Pressurisation unit with 4 litre internal break tank - Ideal for Industrial, commercial or large domestic applications - Twin pump configuration - 3 bar maximum delivery pressure.
    Stock Availability: In stock
    Flamco Flexfiller Midi 250D Pressurisation Unit

    Flamco Flexfiller Midi 250D Pressurisation Unit

    FLA17463
    Flamco Flexfiller Midi 250D Wall mounted top-up Pressurisation unit with 4 litre internal break tank - Ideal for Industrial, commercial or large domestic applications - Twin pump configuration - 6 bar maximum delivery pressure.
    Stock Availability: In stock
    Flamco Flexfiller 130D Mini Pressurisation Unit

    Flamco Flexfiller Mini 130D Pressurisation Unit

    FLA17455
    Flamco Flexfiller 130D Mini - Slim Wall mounted top-up Pressurisation unit with 2 litre internal break tank - Ideal for small commercial or large domestic applications - Single pump configuration - 3 bar maximum delivery pressure.
    Stock Availability: In stock
    Flamco Flexfiller 230D Mini Pressurisation Unit

    Flamco Flexfiller Mini 230D Pressurisation Unit

    FLA17456
    Flamco Flexfiller 230D Mini - Slim Wall mounted top-up Pressurisation unit with 2 litre internal break tank - Ideal for small commercial or large domestic applications - Single pump configuration - 3 bar maximum delivery pressure.
    Stock Availability: In stock
    Picture of Wilo Comfort P135 Press Unit

    Wilo Comfort P135 Press Unit

    WILO2819492
    Single pump floor mounted pressurisation unit with max 3.5bar cold fill pressure. 18l water tank complete with AB airgap and WRAS approved ball float valve.
    Stock Availability: In stock
    Picture of Wilo Comfort P230WM Press Unit

    Wilo Comfort P230WM Press Unit

    WILO2819502
    Twin pump wall mountable pressurisation unit with max 3bar cold fill pressure. 4l water tank complete with AB airgap and WRAS approved ball float valve. Only to be installed with systems with less than 300l expansion
    Stock Availability: In stock
    Picture of Wilo Comfort P235 Press Unit

    Wilo Comfort P235 Press Unit

    WILO2819495
    Twin pump floor mounted pressurisation unit with max 3.5bar cold fill pressure. 18l water tank complete with AB airgap and WRAS approved ball float valve.
    Stock Availability: In stock