IWC Solutions

IWC Solutions

IWC Solutions

The Grundfos CHB IWC consists of a return group and a flow group pre-mounted on a bottom plate. This combination makes up 90% of the hydraulic system in your boiler. The CHB IWC portfolio consiste of three standard solutions: the CHB IWC Combi for combi boilers to provide how water for heating and DHW. The CHB IWC Tank for heating boilers connected to a tank, and the CHB IWC system for only heating boilers.

Benefits

  • High degree of predesign – Functionalities built into the housing
  • High modularity – Flexible concept with several standard components
  • Significant cost reductions – Prefabricated modularity cuts projects, tooling and production costs
  • Simplify your supply chain – Several part numbers from several suppliers combined in one unique part number from one supplier
  • Compact design – Less space required in the complete heating system
  • Outstanding reliability and robustness – Quality tested to perfection
  • High serviceability – Easy access to different components
  • Global support – Grundfos support the CHB IWC platform all around the world.

 

chbiwccombi

CHB IWC Combi

Return group

  • Air Vent 
  • Drain tap
  • PHE connection
  • Optional internal bypass
  • Cold water domestic parts
  • 2 x optional D10 connection for expansion vessel, bypass or pressure gauge
  • ¾” connection to primary heat exchanger
  • ¾” brass CH returno ½” brass DWC inlet
  • 3-way integrated diverter valve
  • Flow sensor

Flow group

  • D18 pipe connection
  • ¾” brass CH forward
  • ½” brass DHW forward
  • Optional filling tap
  • Pressure switch

Other

  • Plate heat exchanger
  • Bottom plate


CHB IWC Tank

CHB IWC Tank

Return group

  • Air Vent
  • Optional D10 connection for expansion vessel, bypass or pressure gauge
  • Diverter valve for tank
  • Drain tap
  • Optional internal bypass

Flow group

  • D18 pipe connection
  • ¾” brass CH forward
  • ½” brass to tank forward
  • Pressure switch
  • Pressure Relief Valve
  • Optional Bypass

Other

  • Bottom plate


CHB IWC System

CHB IWC System

Return group

  • Air Vent
  • Optional D10 connection: Expansion vessel, Bypass or Pressure Gauge
  • Drain tap
  • Optional internal bypass

Flow group

  • D18 pipe connection
  • ¾” brass CH forward
  • Pressure switch
  • Pressure relief valve

Other

  • Bottom plate

Contact your Grundfos HVAC OEM sales representative if you want to learn more about the IWC solutions.