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Ducted/Central Vacuum System Low Suction Causes

Posted by Michael Sansom on

The following can cause low suction-

  • A blockage in the vacuum system hose and/or vacuum system tools,
  • One of your vacuum system pipes may have come apart or be cracked,
  • A leak could be in the system somewhere,
  • A dirty or blocked filter/ filter bag or
  • A fault with the vacuum system power unit.

Always check all inlets for a blockage as unless the blockage is close to the power unit some of the other inlets may work fine.
If all the inlets seem low on suction there could be a blockage close or at the vacuum system power unit.

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