SIGMA rainwater unit 4BARSIGMA rainwater unit 4BAR
SIGMA rainwater unit 4BAR
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Reference code: 5388
EAN Code: 5413732023615
  • Compact and economical
  • Self-priming suction pump in wall unit for pumping water from rainwater storage tank to appliances
  • Mains water top-up in the integral top-up tank
  • ZETA 02 pump controller:
  • Less than 0.2 watts in standby mode

The SIGMA rainwater unit is designed for use in single-family homes. Virtually all its components are integrated into a single housing. These include the energy-efficient ZETA 02 pump controller, the self-priming suction pump and the mains water top-up equipment. Thanks to its compact dimensions, the SIGMA rainwater unit is particularly easy to install and is typically sited in the utility room or cellar. The integral pressure indicator displays the pressure in the rainwater supply circuit.

The SIGMA rainwater unit sucks rainwater out of the storage tank and feeds it under pressure into the rainwater supply circuit. When all extraction points are closed, the pump in the SIGMA unit switches off after a brief delay. If one extraction point is opened or the toilet is flushed, the controller detects the pressure drop and restarts the pump immediately. As soon as all extraction points are closed again, the system pressure increases and the pump shuts down automatically.

Max. flow (L/min)
65
pumps
1-pump system
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