SpiroExpand TopControl Modular DUO

The TopControl Modular DUO is an automatic expansion and pressure-maintaining device. The unit contains 2 VFD pumps (2x 50%) and an electronically controlled overflow valve. An unpressurised expansion tank is required.

The properties of the TopControl Modular DUO:

  • 2 VFD pumps (2x 50%)
  • 1 electronically controlled overflow valve (1x 100%)
  • At least 1 unpressurized expansion vessel needs to be added
  • Operational pressure range up to 8.4 to 23.5 bar
  • The maximum temperature at the point of connection: 70°C (over 70°C possible with auxiliary tank)
  • Maximum safety temperature in the system: 110°C
  • Maximum operating pressure (PN): 10 to 25 bar

Product variants

Choose the desired variant below for all (technical) product data!

Article number ETCM-D1-8.4
Product type ETCM Duo-1 max 8,4bar