Sealed System Pressurisation Units

(87 products)

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  1. Flamco Pro PU 161 Digital Pressurisation Unit - Single Pump - 1-6 Bar

    21601

    Flamco - Pro PU 161 Digital Pressurisation Unit - Single Pump - 1-6 Bar

    Purpose-built for sealed systems, the FLAMCO – Pro PU 161 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 6 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.


    £3,505.50 RRP £2,055.19 £1,712.66
    In Stock In stock
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  2. Flamco Pro PU 261 Digital Pressurisation Unit - Dual Pump - 1-6 Bar

    21604

    Flamco - Pro PU 261 Digital Pressurisation Unit - Dual Pump - 1-6 Bar

    Designed for high-volume sealed systems, the FLAMCO Pro PU 261 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 6 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.


    £3,685.43 RRP £2,160.68 £1,800.57
    In Stock In stock
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  3. Flamco Flexfiller Midi 150D Pressurisation Unit - Single Pump - 1-5 Bar

    17461

    Flamco - Flexfiller Midi 150D Pressurisation Unit - Single Pump - 1-5 Bar - 6 bar

    Engineered for sealed systems, the Flamco Flexfiller Midi 150D is a compact, wall-mounted digital pressurisation unit that uses an electronic pressure transducer and microprocessor control to maintain stable system pressure.

    Buy the Flamco Flexfiller Midi Pressurisation Unit from Pumpify and recieve free standard delivery.

    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. Pressure can be set in 0.1 Bar increments across a 15 Bar range, with password-protected menus and MODBUS RTU integration.

    • 4 Ltrs break tank; up to 12 L/min top-up
    • Category 5 protection (Type AB weir overflow)
    • Digital control with sequential programming menu
    • 230V 50Hz 1ph electric pump

    Finished in white (RAL 9003), the unit includes flood-protection routines, service reminders and detailed event logging for straightforward commissioning and operation.


    £2,606.50 RRP £1,516.80 £1,264.00
    In Stock In stock
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  4. Flamco PressDS 250D Pressurisation Unit - Dual Pump - 6 Bar

    45047

    Flamco - PressDS 250D Pressurisation Unit - Dual Pump - 6 Bar

    Blending top-up pressurisation with on-demand chemical dosing, the Flamco PressDS 250D 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 6 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).


    £6,368.65 RRP £3,733.79 £3,111.49
    In Stock In stock
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  5. Flamco PSD 250D Degasser - Dual Pump - 1-6 Bar

    17375

    Flamco - PSD 250D Degasser - Dual Pump - 1-6 Bar

    Engineered for sealed systems, the FLAMCO Midi PSD 150D vacuum degasser (Pressure Step Degasser) strips dissolved gases to stabilise pressure and improve plant efficiency. Single pump.

    Buy the Flamco PSD Degasser from Pumpify and recieve free standard delivery.

    The unit samples system fluid, isolates it and applies a full vacuum so dissolved air is released per Henry's Law, vents this to atmosphere, then returns deaerated water to the circuit. A digital processor automates the cycle with a turbo mode for rapid commissioning and a real-time status display.

    • Automatic vacuum deaeration with turbo & normal intervals
    • Digital control and real-time component status
    • Password-protected settings; 0.1 Bar pressure steps
    • Event logging and volt-free common fault output

    Suitable for commercial, industrial and residential LPHW/CHW applications. Model guide volume: up to 50,000 Ltrs (larger variants available up to 300,000 Ltrs).

    £10,391.96 RRP £6,092.57 £5,077.14
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  6. Flamco PressDS Plus 250D Combined Degasser & Pressurisation Unit - Dual Pump - 1-6 Bar

    45102

    Flamco - PressDS Plus 250D Combined Degasser & Pressurisation Unit - Dual Pump - 1-6 Bar

    Designed for sealed LPHW/CHW systems, the Flamco PressDS Plus 250D integrates pressurisation, vacuum degassing and on-demand dosing to keep system pressure stable, remove dissolved gases and blend the correct additive mix during top-up.

    Buy the Flamco PresDS Plus from Pumps Sales Direct and receive free standard delivery.

    A compact, totally enclosed Twin Pump unit, it uses a digital processor to automate the sampleisolatevacuumventreintroduce cycle (with turbo mode for rapid commissioning). Top-up capacity is <18 L/min; an 18 Ltrs additive tank blends inhibitor at the point of fill. Guide system volume: up to 300,000 Ltrs.

    • Category 5 protection (Type AB weir overflow)
    • MODBUS RTU communications; password-protected access
    • Mix ratios user-set from 150% via balancing valves
    • Pressure setpoints in 0.1 Bar increments

    Ideal for commercial plantrooms, the black (RAL 9005) enclosure includes sequential programming, system fill mode, pump-pulse, flood-protection routines and comprehensive event logging.


    £11,844.07 RRP £7,777.16 £6,480.97
    In Stock In stock
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  7. Flamco MidiPress 260 - Top up Digital Pressurisation Unit - 230V

    20201

    Flamco MidiPress 260 - Top up Digital Pressurisation Unit - 230V

    The Flamco MidiPress 260 - Top up Digital Pressurisation Unit is a Pressurisation Unit item. This product is manufactured by Flamco. Voltage for this item is 230V.

    Buy a Flamco MidiPress from Pumpify and receive free standard delivery!

    The MidiPress is a slim, wall-mounted, medium flow rate top-up and pressurisation unit.

    The MidiPress is especially developed for medium duty industrial, commercial or large domestic applications.

    Product features

    Pressure setting in 0.1 Bar.

    The operating pressure of this is 6 bar.


    £870.00 £725.00
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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.