Additional Information

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  • How the ZF Filter cleans rainwater for storage in a Rainwater Tank.
  • ZF In-tank Rainwater Filter.
  • ZF In-tank Rainwater Filter Dimensions (Height and Length).
  • ZF In-tank Rainwater Filter Dimensions (Depth).
  • ZF Filter in a Water Storage Tank with other Rainwater Harvesting components including an Overflow Siphon and Calmed Inlet.

In-Tank Rainwater Filter - Zisternenfilter


Prices include VAT


Product Description

Water Tank Filter for Roof areas up to 200m2

Rainwater filter for installation in rainwater tanks as part of a rainwater harvesting filter system. This quality filter from 3P Technik has two cleaning steps built into the stainless steel filter. The first coarse filter mesh protects the second, finer mesh by removing larger leaves and particles.

The cleaned water can be used in non-potable situations, for example; washing machines, toilet flushing and garden watering, car washing.

Low maintenance, depending on where the filter is installed. The filter is easily accessed by removing the top lid. The filter can then also be removed for cleaning. Twice yearly inspections of the filter are recommended.

How it works

(see also the diagram above)

  1. Rainwater is led onto the first filtration step.
  2. Coarse and larger dirt particles flow away to Waste.
  3. The pre-filtered rainwater, having passed the primary filter, reaches the second and finer filter.
  4. The cleaned rainwater is flows into the rainwater tank.
  5. The finer dirt particles flow to Waste due to the steep inclination of the fine filter and its smooth surface structure.

Optional Extras

Rapid Connector Sets (110mm)

110mm pipe connector complete with steel nuts, bolts, washers & seal insert. These Double Socket Slip Couplers can be used instead of a Double Ended Coupler. The Rapid Connectors ensure that you don't have to move the connecting waste/drainage pipes to fit or to undo the filter at a later date. They enable the pipe to be simply bolted to the filter while it is in place rather than pushing pipes into a socket coupler or similar. Note; the filter basket can be accessed, removed and cleaned by taking the lid off (if purchased) the filter housing - the entire filter housing doesn't need to be taken out for cleaning maintenance.

Read more information about our Rapid 110mm Pipe Connectors.

Technical Information

  • Max Roof Area: 200m2
  • Pipe Connections: DN100 (110mm outer diameter)
  • Height Difference between Inlet and Outlet: 117mm
  • Housing Material: Polyethylene, colour: Blue
  • Filter: Stainless Steel
  • Filter Mesh 0.7mm x 1.7mm
  • Weight: 1.7Kg


Zisternenfilter Installation and Operating Instructions (pdf).

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