Resol FlowSol B dual-Line pump station with an integrated RESOL BS PLUS controller is a pre-assemble and pre-wired unit installed in solar hot water system primary loop. The pre-wired Wilo Star S21 three speed pump is controlled by the RESOL BS PLUS controller based on solar collector(s) and solar tank temperature differential. 

Major features: 

  •  Safety assembly with connection for the diaphragm-type expansion vessel, safety valve and pressure gauge
  •  Fill and drain valves
  • Wall mounting bracket and mounting material
  • Design insulation
  • Standard pump
  • Ball valves in flow and return
  • Air separator
  • FlowSolB
  • PumpBreakDown

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