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frequentely asked questions

This is a short list of our most frequentely asked questions. For more information about SACH Central Vacuum Systems or if you need more help and advice, please contact  our support team.

frequentely asked questions

  1. What will it cost me to install a central vacuum system?
    A central vacuum system is most definitely not a luxury item. It is a practical system which is within the financial reach of  the general public as a whole. The estimated cost varies as a function of the installation from the most straight-forward to the most complex.
  2. When should a central vacuum system be installed?
    The installation of our system is very simple. It is recommended that it’s carried out when the home is being constructed or when it is having alterations done to it. Nevertheless we treat each individual project on its merits so please send us your own requirements for evaluation.
  3. The larger, more powerful vacuum unit, the more useful it is?
    No, each home and/or project requires a technical study to determine which central vacuum is best suited to provide the required power to the number of inlet valves, determined by the size and layout of the installation.
  4. Why not use lots of inlet valves and shorter hoses?
    Each installation requires the correct number of inlet valves. Our experience tells us that an 8 metre hose provides an ample reach and just the right amount of manoeuvrability. Wherever possible we seek to locate inlet valves in transit areas (corridors, hallways, etc .) so that we have sufficient reach to  clean into all the different rooms in the house.The use of a shorter hose together with several inlet valves is not correct.
  5. Is it possible for insects to get into the system?
    No, because the network of piping is hermetically sealed. If during cleaning an insect is vacuumed up it will not affect the system.
  6. Can the network of ducting become blocked?
    When installing the system care is taken to provide each valve with an anti-obstacle connecting elbow which prevents any item that might cause a blockage passing into the system. At the same time the ducting has a greater diameter (51mm) than the flexible hose (32 mm.) Should you ever accidentally vacuum up an object or garment which becomes trapped in the system we recommend that that you get in contact with us.
  7. Where is the best place to locate the central vacuum unit?
    In the case of a detached house the best place to locate the central vacuum unit is the boiler room, utility room, garage or cellar. In the case of a flat or an apartment the best location would be on the balcony, in the utility room should there be one or within a kitchen cabinet. Contact us for advice on the best location for your central vacuum unit.
  8. Is there any risk of electrical shocks for children in the house?
    There is definitely no risk, the system is completely safe. The system is operated by low-voltage current so there is no safety risk should a child get in contact or play with an inlet valve.
  9. Do I have to connect or disconnect my central vacuum system from the piping network every time I start to or finish using it?
    Your central vacuum system is activated via a low-voltage connection from the inlet valves to the central vacuum unit. Once you connect the hose to the inlet valve it will switch on automatically or via the hose handle (depending on the model / hose accessory kit selected.)
  10. How often do you recommend that the filter is cleaned or replaced?
    Those central vacuum units which incorporate a system which monitors maintenance requirements will show this on the display panel. For units which don’t have this facility, dependant on the level of usage we recommend emptying the dust container and changing the filter every two months. This should be used as a guide but everything depends on the characteristics of the installation, the central vacuum unit selected and the habits of the user of the system


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