Xtreme Biofilters

RF1600 Refit Kit

  • Designed for a 300 – 3000 gallon pond.
  • Fits Hayward sand filter model S166T. Other manufacturer please call.
  • Upgrade your top mount sand filter or bead system with our all-new Refit kit saves the cost of a new tank, UV, Pump and plumbing. Get the most advanced diffuser and media on the market today.
  • ReFit Kit includes:
  • Multi-port valve (1.5 inch intake/output ports). Upgrade to 2.0 inch valve is available
  • Diffuser assembly with pressure equalizer column.
  • Xtreme Bio-Media X250 1 cubic feet.
  • Pond size: 300 -3,000 gallons
  • Recommended flow rate: 2,500 – 3,500 gph
  • Recommended pump: 1/2 hp or 3/4 hp (max), @ 3450 rpm, 115 volts or 230 volts
  • With 2 inch multiport valve, flow rate can be maximized at 9,000 gph
  • Pump flow rate must be within the recommended range, since the through flow provides agitation during backwash. Do not restrict the waste line.


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    Item #Description Price


    • RF1600 Xtreme Refit Kit - 1.5 Inch Valve
    550.00 Add to cart


    • RF1600T2 Xtreme Refit Kit - 2.0 Inch Val
    650.00 Add to cart