Multimat Rainwater Unit

1 ,760.01 1 ,950.41 

  • Extremely compact
  • No pump noise indoors
  • High-performance submersible pressure pump for pumping water from the storage tank directly to the appliances
  • Regulation-compliant mains water top-up of storage tank with type AA open outlet
  • Only from WISY: with ZETA 02 pump controller, consuming less than 0.2 watts in standby mode


Installation and operating instructions for this product are only available in German or English. You need to understand German or English to install and use this product safely.


The Multimat rainwater unit uses a submersible pressure pump to pump rainwater out of the storage tank and feed it under pressure into the rainwater supply circuit. It controls the rainwater system, monitors the fill level of the storage tank and automatically tops up the rainwater storage tank with mains water when required. Supplied ready to connect, complies with DIN EN 1717and DIN 1989.

The Multimat rainwater unit operates with two separate cables between the storage tank and the wall unit. This arrangement makes the system easy to install and ensures lasting operational reliability. Two sockets must be provided by the client.

The scope of supply consists of:

  • Wall unit in the house with:
    • Pump controller Zeta 02, cut-in pressure 1.5 bar with pressure gauge and operating state indicator
    • Open mains water outlet ½“ with solenoid valve, connecting hose made of special-purpose rubber with stainless-steel
      braiding, ball valve with dirt trap
    • Wall bracket made of stainless-steel with fixings, cover and downwards pointing connections
  • Storage tank equipment:
    • Multi-stage submersible pressure pump Multigo with stainless-steel
      baseplate (22 cm x 22 cm/8 in. x 8 in.), 20 m connecting cable and 3 m lifting strap. With 1“ nozzle and backflow prevention valve at discharge end.
    • Float switch, with switch lever and clamp with 20 m cable
    • Adapter plug
    • Floating coarse suction filter made of stainless steel, mesh size 1.2 mm (0.01 in.)
    • 1 m highly flexible suction tube
  • Labelling set