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Downpipe Filter

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Downpipe Filter
Downpipe Filter - Image 2
Downpipe Filter - Image 3
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Downpipe Filter

  • Vertical 0.28 mm filter element integrated
  • Effective separation of dirt particles
  • 10-year guarantee
  • Easy access to filter insert
  • Extremely low maintenance
  • High oxygen enrichment
  • For roof areas up to 200 m² or 2,153 sq.ft. (tropical climate: 100 m² or 1,076 sq.ft.)
  • Detached and semi-detached homes
  • Rainwater for toilet flushing, washing machine, cleaning and garden irrigation
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Easy To Maintain – Low-Maintenance Design

Easy to Clean:
  • WISY filter parts are smooth and made of stainless steel, so dirt and debris don’t stick.
  • This means the filters last a long time.
  • The filter sits above ground, so it’s easy to reach and safe from sewer backflow.
  • When cleaning is needed, you can quickly take out the filter and wash it with a high-pressure cleaner or even in a dishwasher.
Keeps the Downpipe Clean:
  • The water flows smoothly through the filter without any narrow spots, so it won’t get blocked.
  • Even big things like a tennis ball can pass through it easily.
  • More than 90% of rainwater is filtered and collected in average rain.
How It Works?
  • The filter is placed inside a vertical rainwater pipe.
  • It has a fine mesh (tiny holes of 0.28 mm) that catches leaves, moss, and dirt.
  • The dirty parts are washed away into the drain.
  • The clean rainwater is ready to be stored and used for washing clothes, flushing toilets, or cleaning without extra filtering.
Oxygen in Water:
  • The filter adds oxygen to the water.
  • Oxygen helps keep water fresh and stops bad bacteria from growing.
Strong and Durable Housing:
  • The housing is made from sun-resistant plastic so it lasts in hot, sunny weather.
  • It fits pipes that are 100 to 110 mm wide, and you can use adapters for smaller pipes.
10-Year Guarantee:
  • The parts are made with high-quality standards.
  • If any part breaks, WISY promises to replace it within 10 years.

Filter Collector Fs For Process Water Or Rainwater

  • For Downpipes in detached and semi-detached homes Process water in industrial applications
  • Clear Rainwater for toilet flushing, washing machine, house cleaning and garden irrigation
  • Stainless Steel
  • Roof areas up to 150 m² or 1,615 sq.ft. (tropical climate: 75 m² or 807 sq.ft.)

Overview

Operating Principle And Applications
The filter collector is installed in the vertical rainwater downpipe. It filters the runoff rainwater from the roof before discharging the filtered water through the outlet connection to the storage tank. Its filter insert is made of a fine stainless-steel mesh with a mesh size of only 0.28 mm. Leaves, moss and other debris entrained in the rainwater are reliably filtered out and flushed away through the downpipe to the soakaway or drain. Rainwater cleansed by this filter is in a perfect condition for tank storage and for subsequent use in the washing machine or for flushing toilets and general household cleaning.

Filtering Capacity

The maximum flow rate through the filter collector is 4.2 litres per second (depending on the capacity of the downpipe). As with all WISY filters, the cross-sectional area for rainwater flow does not change at any point inside the filter, i.e. to ensure the free flow of water, the cross section is not restricted at any point. There is no risk of blockage even during torrential rainfall events which may flush large quantities of debris into the filter. The filter collector meets the requirements defined by EN 12056 / EN 752 and also conforms to DIN 1989. The hydraulic efficiency of the filter is excellent. With an inflow rate of 2 litres per second, for example, 90 % of the inflowing water is harvested as filtered water.

Filter Collector Fs For The Downpipe
The Filter Collector FS can be fitted anywhere in the downpipe. To install the filter collector, a section measuring 32 cm must be cut out of the downpipe and replaced by the filter collector. A projected roof area of 150 m² (1615 sq.ft.) can by drained by this version of the collector. The housing is available in stainless steel or copper so that it can be visually harmonised with the existing downpipe.

Easy To Maintain — Low-Maintenance Design

All WISY filter inserts are designed for very low maintenance. It is virtually impossible for debris or dirt to stick to their smooth, stainless-steel surface. As a result, the filter inserts have a long service life. The filter insert is easily accessible and protected against backflow in the sewer system. When necessary, the insert can be removed from the housing in just a few simple steps for cleaning by a high-pressure cleaner or in the dishwasher.

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