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ST46721
Stuart Turner - SPU 135 Midi Pressurisation Unit - Wall or Floor Mounted - Obsolete - 1/2 InchThe Stuart Turner SPU 135 Midi Pressurisation Unit is perfect for domestic use. _x000D_ Quick and simple installation. Housed in a compact and robust housing for easy wall mounting. This pump can also be floor mounted.
Out Of StockFree Standard Delivery
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44725
Stuart Turner - Mainsboost Charger MBC 12-22 - Wall Mounted - 3/4 inchMains Boost Unit Where mains liquid pressurisation is less than 2.5 bar a Mainsboost Charger pump is the solution. Mainsboost Charger pumps will boost pressure up to 3.5 Bar. when supplied in conjunction with Mainsboost steel or composite vessels and can be located remotely from the Mainsboost vessel without restricting performance. Mainsboost Charger wall mounted pumps are supplied within a noise reducing enclosure.
In stock
Free Standard Delivery
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44726
Stuart Turner - Mainsboost Charger MBC 12-28 - Wall Mounted - 3/4 inchMains Boost Unit Where mains liquid pressurisation is less than 2.0 Bar. a Mainsboost Charger pump is the solution. Mainsboost Charger pumps will boost pressure up to 3.5 Bar. when supplied in conjunction with Mainsboost steel or composite vessels and can be located remotely from the Mainsboost vessel without restricting performance.
In stock
Free Standard Delivery
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46721
Mikrofill - SPU 135 Midi Pressurisation Unit - Wall or Floor MountedEasy to install. The Mikrofill SPU 135 Midi is a single pump wall- or floor-mounted digital pressurisation unit.
In stock
Free Standard Delivery
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21601
Flamco - Pro PU 161 Digital Pressurisation Unit - Single Pump - 1-6 BarPurpose-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. Capacity 12 Ltr.
In stock
Free Standard Delivery
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21604
Flamco - Pro PU 261 Digital Pressurisation Unit - Dual Pump - 1-6 BarDesigned 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. Capacity 18 Ltr.
In stock
Free Standard Delivery
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17461
Flamco - Flexfiller Midi 150D Pressurisation Unit - Single Pump - 1-5 BarEngineered 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. Capacity 12 Ltr.
In stock
Free Standard Delivery
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45047
Flamco - PressDS 250D Pressurisation Unit - Dual Pump - 6 BarBlending top-up pressurisation with on-demand chemical dosing, the Flamco PressDS 250D Dual Pump maintains stable pressure on sealed systems while automatically mixing inhibitor from a dedicated tank at a preset ratio. Capacity 4 Ltr.
In stock
Free Standard Delivery
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17375
Flamco - PSD 250D Degasser - Dual Pump - 1-6 BarEngineered for sealed systems, the FLAMCO Midi PSD 150D vacuum degasser (Pressure Step Degasser) strips dissolved gases to stabilise pressure and improve plant efficiency. Capacity 000 Ltr.
In stock
Free Standard Delivery
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45102
Flamco - PressDS Plus 250D Combined Degasser & Pressurisation Unit - Dual Pump - 1-6 BarDesigned 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. Capacity 18 Ltr.
In stock
Free Standard Delivery
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20201
Flamco MidiPress 260 - Top up Digital Pressurisation Unit - 230VThe 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.
In stock
Free Standard Delivery
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.















