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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. Mainsboost Charger wall mounted pumps are supplied within a noise reducing enclosure.
In stock
Free Standard Delivery
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2819495
Wilo - P235 Comfort Twin Pump Pressurisation Unit - 230V - Single Phase - 18 LitreThe Wilo - Comfort twin pump pressurisation units (duty / standby) 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 both pumps for 2 seconds if inactive for 7-90 days, Pump trip and fail alarms, System leak alarm, Excessive starts alarm, Alarm log, Hours Run, Automatic duty rotation, 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, Pump no.2 trip, Pump no. 2 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.
In stock
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UKBETA100HL28/A
Lowara - Presfix Beta 128 Single Pump Pressurisation Unit - 2.8 Bar. - 230V - Single PhaseThe Lowara Presfix Beta 128 Single Pump Pressurisation Unit - 2.8 bar. - 230v - Single Phase is a Pressurisation Unit item. This product is manufactured by Lowara. Voltage for this item is 230V. 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.
Presfix pressurisation units are developed to replace water that has been lost through system leakage and to maintain the system design fill pressure in sealed heating and chilled water systems in accordance with BS7074 parts 1, 2 and 3.
Presfix units also provide safety circuits locking out the boiler / chiller in the advent of high/ low pressures occurring.
Expanded water is accommodated in membrane vessel/s that are supplied separately and normally installed alongside the Presfix unit.
Presfix units are perfect for either domestic or industrial environments.Three levels of sophistication are offered along with two pressure ranges for the Mini Presfix and single range for Micro Presfix units.
The operating pressure of this is 2.8 bar.
In stock
Free Standard Delivery
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UKBETA100HL55/A
Lowara - Presfix Beta 155 Single Pump Pressurisation Unit - 5.5 Bar. - 230V - Single PhaseThe Lowara Presfix Beta 155 Single Pump Pressurisation Unit - 5.5 bar. - 230v - Single Phase is a Pressurisation Unit item. This product is manufactured by Lowara. Voltage for this item is 230V. 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.
Presfix pressurisation units are developed to replace water that has been lost through system leakage and to maintain the system design fill pressure in sealed heating and chilled water systems in accordance with BS7074 parts 1, 2 and 3.
Presfix units also provide safety circuits locking out the boiler / chiller in the advent of high/ low pressures occurring.
Expanded water is accommodated in membrane vessel/s that are supplied separately and normally installed alongside the Presfix unit.
Presfix units are perfect for either domestic or industrial environments.Three levels of sophistication are offered along with two pressure ranges for the Mini Presfix and single range for Micro Presfix units.
The operating pressure of this is 5.5 bar.
In stock
Free Standard Delivery
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UKBETA100HL80/A
Lowara - Presfix Beta 180 Single Pump Pressurisation Unit - 8 Bar. - 230V - Single PhaseThe Lowara Presfix Beta 180 Single Pump Pressurisation Unit - 8 bar. - 230v - Single Phase is a Pressurisation Unit item. This product is manufactured by Lowara. Voltage for this item is 230V. 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.
Presfix pressurisation units are developed to replace water that has been lost through system leakage and to maintain the system design fill pressure in sealed heating and chilled water systems in accordance with BS7074 parts 1, 2 and 3.
Presfix units also provide safety circuits locking out the boiler / chiller in the advent of high/ low pressures occurring.
Expanded water is accommodated in membrane vessel/s that are supplied separately and normally installed alongside the Presfix unit.
Presfix units are perfect for either domestic or industrial environments.Three levels of sophistication are offered along with two pressure ranges for the Mini Presfix and single range for Micro Presfix units.
The operating pressure of this is 8 bar.
In stock
Free Standard Delivery
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UKBETA200HL55/A
Lowara - Presfix Beta 255 Twin Pump Pressurisation Unit - 5.5 Bar. - 230V - Single PhaseThis Twin Pump Unit Has Additional Features:
Presfix pressurisation units are developed to replace water that has been lost through system leakage and to maintain the system design fill pressure in sealed heating and chilled water systems in accordance with BS7074 parts 1, 2 and 3.
Presfix units also provide safety circuits locking out the boiler / chiller in the advent of high/ low pressures occurring.
Expanded water is accommodated in membrane vessel/s that are supplied separately and normally installed alongside the Presfix unit.
Presfix units are perfect for either domestic or industrial environments.Three levels of sophistication are offered along with two pressure ranges for the Mini Presfix and single range for Micro Presfix units.
The Lowara Presfix Beta 255 Twin Pump Pressurisation Unit - 5.5 bar. - 230v - Single Phase is a Pressurisation Unit item. This product is manufactured by Lowara. Voltage for this item is 230V. 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 5.5 bar.
In stock
Free Standard Delivery
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UKBETA200HL80/A
Lowara - Presfix Beta 280 Twin Pump Pressurisation Unit - 8 Bar. - 230V - Single PhaseThe Lowara Presfix Beta 280 Twin Pump Pressurisation Unit - 8 bar. - 230v - Single Phase is a Pressurisation Unit item. This product is manufactured by Lowara. Voltage for this item is 230V. 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.
Presfix pressurisation units are developed to replace water that has been lost through system leakage and to maintain the system design fill pressure in sealed heating and chilled water systems in accordance with BS7074 parts 1, 2 and 3.
Presfix units also provide safety circuits locking out the boiler / chiller in the advent of high/ low pressures occurring.
Expanded water is accommodated in membrane vessel/s that are supplied separately and normally installed alongside the Presfix unit.
Presfix units are perfect for either domestic or industrial environments.Three levels of sophistication are offered along with two pressure ranges for the Mini Presfix and single range for Micro Presfix units.
The operating pressure of this is 8 bar.
In stock
Free Standard Delivery
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UKMIBE100HL28
Lowara - Mini Presfix 128 Single Pump Pressurisation Unit - 2.8 Bar. - 230V - Single PhaseThe Lowara Mini Presfix 128 Single Pump Pressurisation Unit - 2.8 bar. - 230v - Single Phase is a Pressurisation Unit item. This product is manufactured by Lowara. Voltage for this item is 230V. 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.
Presfix pressurisation units are developed to replace water that has been lost through system leakage and to maintain the system design fill pressure in sealed heating and chilled water systems in accordance with BS7074 parts 1, 2 and 3.
Presfix units also provide safety circuits locking out the boiler / chiller in the advent of high/ low pressures occurring.
Expanded water is accommodated in membrane vessel/s that are supplied separately and normally installed alongside the Presfix unit.
Presfix units are perfect for either domestic or industrial environments.Three levels of sophistication are offered along with two pressure ranges for the Mini Presfix and single range for Micro Presfix units.
The operating pressure of this is 2.8 bar.
In stock
Free Standard Delivery
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UKMIBE100HL55
Lowara - Mini Presfix 155 Single Pump Pressurisation Unit - 5.5 Bar. - 230V - SIngle PhaseThe Lowara Mini Presfix 155 Single Pump Pressurisation Unit - 5.5 bar. - 230v - SIngle Phase is a Pressurisation Unit item. This product is manufactured by Lowara. Voltage for this item is 230V. 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.
Presfix pressurisation units are developed to replace water that has been lost through system leakage and to maintain the system design fill pressure in sealed heating and chilled water systems in accordance with BS7074 parts 1, 2 and 3.
Presfix units also provide safety circuits locking out the boiler / chiller in the advent of high/ low pressures occurring.
Expanded water is accommodated in membrane vessel/s that are supplied separately and normally installed alongside the Presfix unit.
Presfix units are perfect for either domestic or industrial environments.Three levels of sophistication are offered along with two pressure ranges for the Mini Presfix and single range for Micro Presfix units.
The operating pressure of this is 5.5 bar.
In stock
Free Standard Delivery
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UKMIBE200HL28
Lowara - Mini Presfix 228 Twin Pump Pressurisation Unit - 2.8 Bar. - 230V - Single PhaseAdditional Twin Pump Features:
Presfix pressurisation units are developed to replace water that has been lost through system leakage and to maintain the system design fill pressure in sealed heating and chilled water systems in accordance with BS7074 parts 1, 2 and 3.
Presfix units also provide safety circuits locking out the boiler / chiller in the advent of high/ low pressures occurring.
Expanded water is accommodated in membrane vessel/s that are supplied separately and normally installed alongside the Presfix unit.
Presfix units are perfect for either domestic or industrial environments.Three levels of sophistication are offered along with two pressure ranges for the Mini Presfix and single range for Micro Presfix units.
The Lowara Mini Presfix 228 Twin Pump Pressurisation Unit - 2.8 bar. - 230v - Single Phase is a Pressurisation Unit item. This product is manufactured by Lowara. Voltage for this item is 230V.
The operating pressure of this is 2.8 bar.
In stock
Free Standard Delivery
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UKMIBE200HL55
Lowara - Mini Presfix 255 Twin Pump Pressurisation Unit - 5.5 Bar. - 230V - Single PhaseAdditional Twin Pump Features:
Presfix pressurisation units are developed to replace water that has been lost through system leakage and to maintain the system design fill pressure in sealed heating and chilled water systems in accordance with BS7074 parts 1, 2 and 3.
Presfix units also provide safety circuits locking out the boiler / chiller in the advent of high/ low pressures occurring.
Expanded water is accommodated in membrane vessel/s that are supplied separately and normally installed alongside the Presfix unit.
Presfix units are perfect for either domestic or industrial environments.Three levels of sophistication are offered along with two pressure ranges for the Mini Presfix and single range for Micro Presfix units.
The Lowara Mini Presfix 255 Twin Pump Pressurisation Unit - 5.5 bar. - 230v - Single Phase is a Pressurisation Unit item. This product is manufactured by Lowara. Voltage for this item is 230V. 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 5.5 bar.
In stock
Free Standard Delivery
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20100
Flamco - 14 Ltr/Min - Flexfiller Direct G4 Pumpless Top-Up Pressurisation Unit - Wall Mounted - 10 barThe Flexfiller Direct G4 is the latest in pumpless digital pressurisation technology for light commercial and residential buildings. Its a slim, wall-mounted pumpless top-up pressurisation unit, with a top-up flow rate of up to 14 l/min depending on the mains or boosted mains, water pressure. It is designed to be connected directly to a buildings incoming water supply using the included flexible hose. It is there to fill and maintain the pressure of a heating or chilled water system without the need for a pump
The unit comes with a user-friendly controller that displays all operating and error conditions comprehensibly and conveniently. It features extensive data storage for online and offline analysis, microprocessor control, and self-learning algorithms with a graphical display. It comes with MODBUS RTU and BACnet communication protocols as standard and has its key operating parameters password protected.
Features & Benefits:
- Silent, Pumpless pressurisation unit
- FIlls system from empty
- For systems up to 15,000 LItres
- Fluid protection category 4 backflow prevention
- ONscreen service reminder every 12 months
- Colours: Grey (RAL7016) and Red (RAL3002)
- Password protected
- PRessure setting in 0.1 bar. increments
- FLoor protection runtime limiter and excessive activation logging
- Volt free contact: common alarm (N/C or N/O) fully programable for specific alarms customisable via control unit)
- Extensive data storage online or offline analysis
- Advanced technology ensures the lowest power consumption, Long service life and easy maintenance
- Microprocessor control, self-learning with graphical display
- Max flow rate of 14 Ltr/min
- Connects directly to the mains (booster) water mains, via included flexible hose (Length: 400mm)
Advantages:
- Universal connection to drain fits 22 mm copper compression, 32mm PP push fit and 32mm PP solvent weld discharge pipe to BS 5254 or BS EN1451
- The user-friendly control unit displays all operating and error conditions in a logical and convinient way
- Four status LED indicators
- System safety valve monitoring
- Leak detection
- USage monitor, logs and counters
- MODBUS RTU and BACnet Communication Protocol via RS485
- Can be combined with Flamconnect Remote Service (Check with local sales office)
- Two 40cm flecible hoses (for mains and sealed system connection) included for easy installation
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21618
Flamco - Pro PDm 1.5 Digital Pressurisation Unit - Wall Mounted - 1.5 BarWall-mounted, plug-and-play digital pressurisation unit with preset delivery pressures, the Pro PDm keeps sealed systems at stable minimum pressure using an electronic pressure transducer and intuitive microprocessor control.
A 4 Ltrs internal break tank and top-up capacity to 12 L/min suit commercial, industrial and larger residential installs (guide volume ≤ 50,000 Ltrs). Factory preset delivery options of 1.0, 1.5, 2.0 or 2.5 Bar speed commissioning; setpoints are also adjustable in 0.1 Bar steps.
- Self-venting pumps and presets minimise conventional commissioning
- Dry-run, anti-seize (2-second pulse after 60 days) and flood-protection routines
- System fill mode, pump pulse option and on-screen 12-month service reminder
- MODBUS RTU, password-protected menus and bi-directional programming
- Finished in grey (RAL 7016); power supply 230V 50Hz 1ph
In stock
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21613
Flamco - Pro Pum 231 / 1-3 Digital Pressurisation Unit - 3 BarKeep sealed systems steady with the Pro PUm a wall-mounted digital pressurisation unit that uses an electronic pressure transducer and microprocessor control to maintain minimum pressure with confidence.
Delivering up to 12 L/min top-up via a 4 Ltrs internal break tank, it suits commercial, industrial and large domestic applications. Pressure can be adjusted in precise 0.1 Bar steps, and configuration is fast thanks to a bi-directional menu, system fill mode and password-protected access.
- Wall-mounted compact enclosure in grey (RAL 7016)
- MODBUS RTU integration for BMS connectivity
- Protective routines: dry-run, anti-seize and flood protection
- Comprehensive logging and 12-month on-screen service reminder
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45036
Flamco - Digifiller 2.0 Digital Filler Unit - Cold Fill - 2 BarCompact and totally enclosed digital pressurisation units with electronic pressure transducer and user-friendly microprocessor for use on sealed system in order to provide a minimum system pressure requirement.
The Digifiller is a wall-mounted, flow rate (up to 12 l/min) top-up pressurisation unit with 4 litre internal break tank.
Self venting pumps and preset options to remove the need for conventional commissioning of the Pressurisation Unit.
Ideal for Industrial, commercial or large domestic applications.
Available preset to 0.5 bar, 1.0 bar, 1.5 Bar.
In stock
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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.















