Pressurisation Units

Pressurisation Units

Pumps UK LTD's pressurisation units are designed 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. Most modern boiler and air conditioning systems are sealed and require a device to maintain the system pressure and give warnings when the fill pressure is low or when the water has over expanded causing a high pressure.

All sealed heating systems have to have an interlock circuit so that the boilers are cut out if the unit is at fault. Incorrect calibration of the unit settings or pre charging of the expansion vessels will cause the system to malfunction. Pumps UK Ltd are able to size, supply and commission units to suit most applications.

If you are not sure what unit you require please contact the office or fill out our online quotation form.


  • Armstrong 3750 Units

  • PUK-Autopress

  • Lowara Presfix Units

  • Flamco Flexfiller
    Pressurisation Units

  • Flamco Pro
    Pressurisation Units

  • Reflex Reflexomat
    Silent Compact

  • Reflex Reflexomat


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  1. PCB 50
  2. Flamco Flexfiller Mini Range
  3. Flamco Flexfiller Mini 130D
  4. Flamco Flexfiller Mini 230D
  5. PUK-Autopress 1LV pressurisation unit
  6. PUK-Autopress 1LEV pressurisation unit
  7. Flexfiller Midi
  8. Flamco Flexfiller Midi 125D
  9. Flamco Digifiller 2.0
  10. Flamco Digifiller 1.5
  11. Flamco Digifiller 1.0
  12. Flamco Digifiller 0.5
  13. Flamco Flexfiller Midi 225D
  14. Flamco Pro PDm 2.5
  15. Flamco Pro PDm 2.0
  16. Flamco Pro PDm 1.5
  17. Flamco Pro PDm 1.0
  18. Flamco Flexfiller 125D

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