FILTERS
We offer 
products: the best in rainwater harvesting worldwide!
Our systems require minimum maintenance and will last a lifetime.
Rainwater from the roof generally should be filtered with a fine filter before entering the storage tank. For non-potable (water not suitable for drinking) uses there is no need for additional filtering either on the suction or pressure side of the pump. Conventional roof washers retain moisture and create an area which will promote the growth of bacteria on the filter insert.
The simple but high precision WISY filters use surface tension (adhesion) in conjunction with a fine stainless steel filter mesh which excludes unwelcome debris. By this process about 90% of the rainwater is captured, filtered and diverted into a storage tank, while the remaining water carrying leaves and other debris is redirected to the ground or soakaway.
WISY Residential Downspout Filter Collector
- • For installation in vertical rainwater downpipes
- • Use for roof areas of up to 1500 sq. ft.
- • Particles down to .011 inch filtered away into drain
- • The full cross section of the downpipe remains clear, allowing passage of any item traveling through the downspout
- • 90% rainwater can be collected
- • Minimum Maintenance
- • View the Brochure
and Installation Instructions
| Model | Description | ||
| 15715 | Wisy Garden Filter up to 750 sq. ft. |
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Filters 800 - 1,000 sq.ft.
»Ideal for small irrigation collection systems« Installed in vertical metal or plastic downspouts. Filter can provide overflow protection and diversion when the collection tank is full. Housing and filter insert made of stainless-steel. Filter mesh size 0.44 mm (440 microns). Filter insert requires cleaning a few times a year and is dishwasher safe. Parts include: housing, filter insert. Optional equipment: 2" x 3" or 3" x 4" downspout converter kit, clip and wall plug for mounting, 1" flexible outlet hose, blind insert for diversion. View the
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| RH9510-04 | Wisy Downspout Filter Collector |
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Filters up to 1,600 sq.ft. »Ideal for medium irrigation collection systems« Installed in vertical metal or plastic downspouts. Filter can provide overflow protection and diversion when the collection tank is full. Housing and filter insert made of stainless-steel. Filter mesh size 0.28 mm (280 microns). Filter insert requires cleaning a few times a year and is dishwasher safe. Parts include: housing, filter insert. Optional equipment: 2" x 3" or 3" x 4" downspout converter kit, clip and wall plug for mounting, 1" flexible outlet hose, blind insert for diversion. View the
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WISY Vortex Fine Filter
- • Available in three sizes for roof areas from 2,150 up to 32,300 sq. ft.
- • Ideal for industrial and public buildings
- • Harvest rates from 42 to 250 gallons per minute
- • Stable construction when buried, trucks can drive over it!
View the pdf's Performance Graphs and
Cut Sheets WFF100_150
Cut Sheets WFF300
| WFF 100 | Wisy Vortex Fine Filter |
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Part Number #RH9518-04 Filters up to 2,000 sq.ft. »Ideal for multi-downspout residential/commercial buildings« Connects to 4" pipe for above or belowground storage. A 20 inch extension tube can be used to raise the inspection opening to ground level. Housing made of polypropylene, filter insert made of stainless-steel. Filter mesh size 0.28 mm (280 microns). Filter insert requires cleaning a few times a year and is dishwasher safe. Filter inlet can swivel for custom installation. Parts include: filter housing, filter insert. Optional equipment: filter lifting handle, stainless steel wall bracket, blind insert, seepage basket. View the pdf's
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| WFF 150 | Wisy Vortex Fine Filter |
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Part Number #RH520-06 Filters up to 5,500 sq.ft. »Ideal for multi-downspout residential/commercial buildings« Connects to 6" pipe for above or belowground storage. A 20 inch extension tube can be used to raise the inspection opening to ground level. Housing made of polypropylene, filter insert made of stainless-steel. Filter mesh size 0.28 mm (280 microns). Filter insert requires cleaning a few times a year and is dishwasher safe. Filter inlet, clean water, and stormwater outlets swivel for custom installation. Parts include: filter housing, filter insert. Optional equipment: filter lifting handle, stainless steel wall bracket, blind insert, seepage basket. View the pdf's: |
| WFF 300 | Wisy Vortex Fine Filter |
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Part Number #RH9521-12XH (12"Vortex Filter 12t lid) Part Number #RH9521-12 ( 12"Vortex Filter 60t lid) Filters up to 33,000 sq.ft. »Ideal for large commercial buildings« Connects to 12" pipe for above or belowground storage. Housing made of polypropylene, filter insert made of stainless-steel. Filter mesh size 0.38 mm (380 microns). Parts include: filter housing, filter insert, child safety device, baseplate, and lid option: aluminum, 12 ton or 60 ton. Optional equipment: extension, extension handle. View the pdf's: Top of Page |
Watch an animation of the Wisy 100, 150 and 300 filters. | |
PUMP PROTECTION SWITCH
| FSRD | Float Switch Run Dry Protection |
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Floating switch (normally open) to switch off the pump at low water
(run dry protection). May be installed at the inlet hose
or at the submersible pump. The floating switch starts
the pump at the minimum level in the cistern. Switch lever and fastening clamp (for hose diameter
of 100-140 mm) of stainless-steel. Float housing
(red) of polyethylene with flexible switching control
3 x 1 mm² (without intermediate plug). Top of Page |
BACKUP WATER SOURCE SWITCH
| FSWF | Float Switch Water Feed |
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The floating (normally closed) switch controls the backup water feed.
May be installed at the inlet hose or at the submersible
pump. Switch lever defines exact switching
points to supplement water demands with a backup water source when rainwater
supply diminishes. Switch lever
and fastening clamp (hose diameter 100-140 mm) of
stainless-steel. Float housing (yellow) of polyethylene
with a flexible switching control 3 x 1 mm² (without
intermediate plug). Top of Page |
Wisy MULTISIPHON OVERFLOW
| US 1002 | Multisiphon |
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Connects to the overflow pipe. Effectively removes surface debris through its skimming effect. Prevents the entry of drain smells into the cistern.
Protects cistern with backflow prevention and vermin protection.
Wisy Multisiphon Instructions
Top of Page |