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Compact pump unit DN 20 for unmixed heating circuits. 3-part patented EPP insulation shell according to EnEV (German Energy Saving Ordinance). Simple wall mounting with only one screw. Concealed cable routing behind insulation. Incl. wall bracket and fastening.

Flow line: Multi-function shut-off valve with check valve, circulation pump 130mm (or without pump), additional shut-off ball valve below the pump (depending on model).

Return line: Multi-function shut-off valve, Stainless steel return pipe.


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Technical Features

  • Overall pump length: 130 mm
  • Max. operating pressure: 6 bar
  • Max. operating temperature: +90° C
  • Recommended range of application at DT=20 K, Dp=100 mbar: max. 55 kW
  • All connections: 1"M with flat sealings
  • Height without insulation: 293 mm
  • Dimensions with insulation (W x H x D): 240 mm x 310 mm x 217 mm
  • Type
    Artikel-Nr.
    HK20-KH Wilo Yonos PARA 15/6, with additional ball valve in supply 10077142
    HK20-KH Grundfos UPM3 A 15-70, with additional ball valve in supply 10077143
    HK20-KH without pump, with additional ball valve in supply 10077144



    HK20 Wilo Yonos PARA 15/6 10080124
    HK20 Grundfos UPM3 A 15-70 10080551
    HK20 without pump
    10080550

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