Designed to be compact and enclosed, the Flexfiller Midi pairs an electronic pressure transducer with a user-friendly microprocessor to maintain minimum system pressure with precision.

Wall-mounted top-up pressurisation unit, with a 4 Ltrs internal break tank, the unit delivers flow rates up to 12 L/min. It suits commercial, industrial and large domestic installations and is available in single or twin-pump configurations for sealed LPHW/CHW, refrigeration and process systems (guide volume up to 50,000 Ltrs).

• Digital control with electronic pressure transducer
• 4 Ltrs break tank; up to 12 L/min top-up
• MODBUS RTU integration; password-protected access
• Category 5 protection (AB weir overflow)

A compact white (RAL 9003) enclosure simplifies installation and commissioning, while diagnostics, logging and BMS-friendly comms streamline ongoing operation.

Engineered for sealed systems, the Flexfiller combines an electronic pressure transducer with a user-friendly microprocessor to maintain minimum system pressure with precision.

Floor-standing with an 18 Ltrs internal break tank, it delivers top-up flow rates up to 18 L/min. Ideal for commercial, industrial and large domestic applications, Flexfiller is available in single or twin-pump configurations.

• Digital control with electronic pressure transducer
• 18 Ltrs break tank; up to 18 L/min top-up
• MODBUS RTU integration; password-protected access
• Category 5 protection (AB weir overflow)

Guide system volume up to 300,000 Ltrs. Black enclosure (RAL 9005). Power options: 230V 50Hz 1ph or (2160D) 415V 50Hz 3ph.

Engineered for sealed systems, the Flexfiller combines an electronic pressure transducer with a user-friendly microprocessor to maintain minimum system pressure with precision.

Floor-standing with an 18 Ltrs internal break tank, it delivers top-up flow rates up to 18 L/min. Ideal for commercial, industrial and large domestic applications, Flexfiller is available in single or twin-pump configurations.

• Digital control with electronic pressure transducer
• 18 Ltrs break tank; up to 18 L/min top-up
• MODBUS RTU integration; password-protected access
• Category 5 protection (AB weir overflow)

Guide system volume up to 300,000 Ltrs. Black enclosure (RAL 9005). Power options: 230V 50Hz 1ph or (2160D) 415V 50Hz 3ph.

Designed for tight plant rooms, this mechanical, fully enclosed pressurisation unit 130HL maintains minimum system pressure on sealed circuits with an electronic pressure transducer and simple, reliable controls.

The narrow, wall-mounted design provides a 0.4 L/min top-up rate via a 2 Ltrs internal break tank, making it ideal for large residential or small commercial applications.

• Low-flow top-up: up to 0.4 L/min
• Compact wall mount with narrow footprint
• 2 Ltrs break tank with Type AB air gap (Fluid Category 5)
• Sealed systems: suitable for heating and chilled water

Recommended for sealed heating systems using an expansion vessel of ≤ 300 Ltrs or chilled systems with an expansion vessel of ≤ 50 Ltrs; guide system volume < 2,600 Ltrs.

Built for reliable sealed-system top-up, the Flamco Flexfiller 125D is a floor-standing digital pressurisation unit using an electronic pressure transducer and microprocessor control to maintain minimum system pressure with precision.

It delivers up to 18 L/min top-up via an 18 Ltrs internal break tank and suits commercial, industrial and large domestic installations. Available in single or twin-pump configurations for sealed LPHW/CHW systems (guide volume up to 300,000 Ltrs).

• Digital control with electronic pressure transducer
• 18 Ltrs break tank; up to 18 L/min top-up
• MODBUS RTU communications; password-protected access
• Fluid Protection Category 5 (Type AB weir overflow)

Finished in black (RAL 9005) with a sequential programming menu, system fill mode and 12-month on-screen service reminder for straightforward commissioning and operation.

Built for reliable sealed-system top-up, the Flamco Flexfiller 150D is a floor-standing digital pressurisation unit using an electronic pressure transducer and microprocessor control to maintain minimum system pressure with precision.

It delivers up to 18 L/min top-up via an 18 Ltrs internal break tank and suits commercial, industrial and large domestic installations. Available in single or twin-pump configurations for sealed LPHW/CHW systems (guide volume up to 300,000 Ltrs).

• Digital control with electronic pressure transducer
• 18 Ltrs break tank; up to 18 L/min top-up
• MODBUS RTU communications; password-protected access
• Fluid Protection Category 5 (Type AB weir overflow)

Finished in black (RAL 9005) with a sequential programming menu, system fill mode and 12-month on-screen service reminder for straightforward commissioning and operation.

Built for reliable sealed-system top-up, the Flamco Flexfiller 180D is a floor-standing digital pressurisation unit using an electronic pressure transducer and microprocessor control to maintain minimum system pressure with precision.

Buy Flamco Flexfillers from Pumpify and receive free standard delivery.

It delivers up to 18 L/min top-up via an 18 Ltrs internal break tank and suits commercial, industrial and large domestic installations. Available in single or twin-pump configurations for sealed LPHW/CHW systems (guide volume up to 300,000 Ltrs).

• Digital control with electronic pressure transducer
• 18 Ltrs break tank; up to 18 L/min top-up
• MODBUS RTU communications; password-protected access
• Fluid Protection Category 5 (Type AB weir overflow)

Finished in black (RAL 9005) with a sequential programming menu, system fill mode and 12-month on-screen service reminder for straightforward commissioning and operation.

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.

Engineered for sealed systems, the Flamco Flexfiller Midi 225D is a compact, wall-mounted digital pressurisation unit using an electronic pressure transducer and microprocessor control to maintain stable minimum pressure. This is a Twin Pump unit.

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

It provides top-up flow rates up to 12 L/min via a 4 Ltrs internal break tank and suits commercial, industrial and large domestic applications. Pressure is adjustable in 0.1 Bar steps across a 12.5 Bar range.

• 4 Ltrs break tank; up to 12 L/min top-up
• Category 5 protection (Type AB weir overflow)
• MODBUS RTU communications; password-protected menus
• System fill mode and pump pulse option

Finished in white (RAL 9003) with a sequential programming menu, flood-protection routines and comprehensive event logging for straightforward commissioning and operation.

The compact, proven design has high efficiency and guaranteed operation for heating and air conditioning.

The water within the installation contains air which can form corrosion and reduce the thermal transfer.

A Flexvent is fitted at places where the air collects.

The cap of the Flexvent Super is conical in shape.

The advantage of this construction is that the clearance between the water level and venting valve is maximized.

Flamco (est. 1956) is a Dutch manufacturer of HVAC and plumbing system components, including expansion vessels, air separators and pressurisation accessories. Their ranges are used in heating and chilled-water circuits and potable water systems across domestic and commercial installations.

The 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

The SideFlow Clean is a partial flow filter for continuous cleaning of the system for central heating and cooling installations.

Connecting a SideFlow Clean to an installation ensures that a proportion (10% PICV) of the main flow is filtered, which means dirt and magnetite are captured through a combination of a filter bag and magnetic filtration.

Side stream filtration for the removal of magnetic and nonmagnetic suspended solids.

Quick and easy to install and maintain.

Simple to mount thanks to integrated wall fastening.

Flamco (est. 1956) is a Dutch manufacturer of HVAC and plumbing system components, including expansion vessels, air separators and pressurisation accessories. Their ranges are used in heating and chilled-water circuits and potable water systems across domestic and commercial installations.

Designed for mains-fed potable and fresh water systems, the Flamco Airfix D Expansion Vessel is a full flow-through potable vessel that prevents stagnation and nuisance safety-valve discharge by absorbing thermal expansion.

For use in potable water, or fresh-water installations.

The Airfix D expansion vessels operate in such a way that the water flows right through and they are continuously flushed with fresh water from the mains.

This prevents tepid, stagnant water from collecting in the vessel in which bacterial growth could occur.

Therefore, users can be assured of high quality potable water.

Applying an Airfix D expansion vessel to a water heater prevents the opening of the safety group or safety valve each time the potable water is heated.

A synthetic flow-through insert and the supplied brass flow-dividing T-piece (3 R ¾") divert all connection flow through the vessel, continuously flushing it to inhibit bacterial growth. The butyl diaphragm is taste/odour neutral, while corrosion-resistant internal coatings protect both water and nitrogen sides. Each vessel is factory tested, nitrogen pre-charged for longer pre-pressure retention, and internationally approved.

• Flow-through operation constant refresh prevents tepid, stagnant water
• Protects safety devices reduces safety-valve lift and leakage risk
• Potable-safe butyl diaphragm adds no colour, odour or taste
• Efficient & hygienic no waste of potable water during operation
• Durability vessel halves coated before assembly; clamp ring protected
• Nitrogen pre-charge for better long-term pressure stability
• Includes: special brass flow-dividing T-piece (3 R ¾")
• Optional: Airfixcontrol for quick annual pre-charge checks

Designed for mains-fed potable and fresh water systems, the Flamco Airfix D Expansion Vessel is a full flow-through potable vessel that prevents stagnation and nuisance safety-valve discharge by absorbing thermal expansion.

For use in potable water, or fresh-water installations.

The Airfix D expansion vessels operate in such a way that the water flows right through and they are continuously flushed with fresh water from the mains.

This prevents tepid, stagnant water from collecting in the vessel in which bacterial growth could occur.

Therefore, users can be assured of high quality potable water.

Applying an Airfix D expansion vessel to a water heater prevents the opening of the safety group or safety valve each time the potable water is heated.

A synthetic flow-through insert and the supplied brass flow-dividing T-piece (3 R ¾") divert all connection flow through the vessel, continuously flushing it to inhibit bacterial growth. The butyl diaphragm is taste/odour neutral, while corrosion-resistant internal coatings protect both water and nitrogen sides. Each vessel is factory tested, nitrogen pre-charged for longer pre-pressure retention, and internationally approved.

• Flow-through operation constant refresh prevents tepid, stagnant water
• Protects safety devices reduces safety-valve lift and leakage risk
• Potable-safe butyl diaphragm adds no colour, odour or taste
• Efficient & hygienic no waste of potable water during operation
• Durability vessel halves coated before assembly; clamp ring protected
• Nitrogen pre-charge for better long-term pressure stability
• Includes: special brass flow-dividing T-piece (3 R ¾")
• Optional: Airfixcontrol for quick annual pre-charge checks

Designed for mains-fed potable and fresh water systems, the Flamco Airfix D Expansion Vessel is a full flow-through potable vessel that prevents stagnation and nuisance safety-valve discharge by absorbing thermal expansion.

For use in potable water, or fresh-water installations.

The Airfix D expansion vessels operate in such a way that the water flows right through and they are continuously flushed with fresh water from the mains.

This prevents tepid, stagnant water from collecting in the vessel in which bacterial growth could occur.

Therefore, users can be assured of high quality potable water.

Applying an Airfix D expansion vessel to a water heater prevents the opening of the safety group or safety valve each time the potable water is heated.

A synthetic flow-through insert and the supplied brass flow-dividing T-piece (3 R ¾") divert all connection flow through the vessel, continuously flushing it to inhibit bacterial growth. The butyl diaphragm is taste/odour neutral, while corrosion-resistant internal coatings protect both water and nitrogen sides. Each vessel is factory tested, nitrogen pre-charged for longer pre-pressure retention, and internationally approved.

• Flow-through operation constant refresh prevents tepid, stagnant water
• Protects safety devices reduces safety-valve lift and leakage risk
• Potable-safe butyl diaphragm adds no colour, odour or taste
• Efficient & hygienic no waste of potable water during operation
• Durability vessel halves coated before assembly; clamp ring protected
• Nitrogen pre-charge for better long-term pressure stability
• Includes: special brass flow-dividing T-piece (3 R ¾")
• Optional: Airfixcontrol for quick annual pre-charge checks

Engineered for potable and general water services, the Flamco Airfix D-E Expansion Vessel uses a full flow-through construction to prevent stagnation and support hygienic, high-quality water delivery.

A replaceable butyl bladder (DIN 4807/5) is formulated to add no colour, odour or taste, while a coated two-way system connection ensures complete vessel flow-through with low pressure drop. The Airfix D-E includes a pressure gauge with blow-back protection, nitrogen pre-charge for long pre-pressure retention, and an anti-oxidation coating on the inside of the connection flange.

• Full flow-through design to minimise bacterial growth
• Potable-safe bladder — no impact on taste, colour or odour
• Nitrogen pre-charge for longer pressure stability
• Coated flange & two-way connection to prevent oxidation and ensure flushing