Flamco - Flexfiller 250D Pressurisation Unit - Dual Pump - 1-5 Bar

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.

Real-world product applications

• Boosting water pressure to multiple outlets in a building
• Maintaining stable pressure where demand varies
• Supplying water from storage tanks to distribution pipework
• Supporting general water supply and transfer systems
• Assisting with pressure control in utility installations

Key Product Features

• Applications: commercial, industrial and residential sealed systems (guide ≤ 300,000 Ltrs)
• Protection: Fluid Protection Category 5 (Type AB weir overflow); system fill mode
• Controls: sequential programming menu; pressure setting in 0.1 Bar increments; pump pulse option
• Service: on-screen service reminder (12 months)
• Electrical: electric pump 230V 50Hz 1ph (2160D: 415V 50Hz 3ph)
• Communications:MODBUS RTU protocol; password-protected access
• Flood protection: pump runtime limiter; excessive start alarm
• Event logging: alarm activations; pump run counter (per pump); cumulative run timer (hours/pump); electrical interruption
• Volt-free contacts: Common Alarm (N/C), High Pressure (N/O), Low Pressure (N/O), Sensor Health (N/O), Pump 1 Health (N/O), Pump 2 Health (N/O)
• Construction: floor-standing unit; black powder-coated finish (RAL 9005)
• Configurations: single (duty) or twin (duty/standby) pump options
• Flow rate: 18 Ltr/min

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.