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Rainsava Classic 

A reliable underground rainwater harvesting system for toilets, washing machines and garden use.


Collect, filter and store rainwater underground, with automatic pumped supply and mains water back-up when the tank runs low.




 How the system works

Key Benefits

 Reliable automatic Supply

 Pressure-switch controlled pump delivers rainwater on demand.

 Mains Water Backup

 Automatic back-up helps maintain supply when the tank runs low.

Underground Storage

Space-saving, discreet storage keeps rainwater safely out of sight.

High-quality WISY filtration

0.28 mm stainless steel mesh for cleaner stored rainwater.

 What's Included?

  •  Underground storage tank with clamed inlet and anti-backflow valve
  • Wisy Vortex filter with 0.28 mm stainless mesh
  • Automatic submersible pump
  • WISY mains water top-up kit
  • 25m of 32mm MDPE pipe
Rainsava Gravity 

Pumped rainwater supply to a header tank for simple gravity-fed use. Reliable and economical.

Rainsava Eco-Pro 

Advanced Monitoring and smart controls for maximum efficiency and insight.

Rainsava Classic 

Simple reliable and automatic. Built in pressure switch pump provides hassle-free operation.