Water closets: Flushing volumes less than 6 litres (NT VVS 120)

  • Report #: NT VVS 120
  • Approved: November 1999
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  This NORDTEST method specifies test methods for WC pans with integral trap, for domestic use, made from vitreouschina or stainless steel, which have a nominal flush volume or less than 6 litres.  
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