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Essex Engineers is an authorized WISY rainwater filter dealer in Coimbatore, supplying and installing WISY’s German-engineered rainwater harvesting and filtration systems — vortex fine filters, down-pipe filters and multi-shot suction filters — across Coimbatore, Tirupur, Salem and Trivandrum. WISY systems use self-cleaning vortex filtration to remove leaves, debris and sediment from rainwater before it reaches your storage tank or recharge pit, with minimal maintenance and decades of proven performance in Germany and beyond.
WISY is a German engineering brand, and getting the filter size and installation right is what determines whether a rainwater harvesting system actually works over the long run. As an authorized dealer, we supply genuine WISY components and size systems correctly for your roof area, rainfall pattern and intended use — recharge, storage, or both — rather than fitting an undersized filter that clogs or an oversized one that costs more than it needs to.
Before recommending a filter, we assess your roof area, catchment surface and downpipe layout on-site, free of charge. The right WISY vortex filter size depends on how much roof area is feeding into it and how heavy the local rainfall gets, so a site visit is the only reliable way to size it correctly — get this wrong and you either lose water through overflow or send debris straight into your tank.
Once you choose a system, our team handles the full installation — piping modifications, filter mounting and commissioning — and stays on for maintenance and cleaning support for as long as you own the system. We’ve been doing this since 1994, so our service network across all four cities is well established.
A WISY vortex filter uses a self-cleaning vortex design to separate leaves, debris and coarse sediment from rainwater as it flows through, sending filtered water to your storage tank or recharge pit and flushing debris out separately — with no moving parts or power needed.
Pricing depends on the filter model and capacity your roof area needs, which we determine from your free site assessment. Call +91 90873 00799 for current pricing on the model that fits your setup.
Yes — we install and service WISY rainwater filtration systems across Coimbatore, Tirupur, Salem and Trivandrum.
WISY vortex filters are largely self-cleaning and need only periodic inspection — far less upkeep than conventional mesh filters, which need frequent manual cleaning.
📞 Call +91 90873 00799 for a free site assessment.
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