Stormsaver offers a number of rainwater harvesting systems.
Non-Pressurised Rainwater Harvesting System
Rainwater is channelled from the roof into the storage tank passing an integrated filter to remove large debris, leaves etc.
Water enters the tank via an inlet calmer preventing disturbance to fine sediment on the base of the tank.
Excess rainwater flows out of an overflow which has a one-way valve and rodent protection; also skimming surface particles.
Inside the tank are sensors and a submersible pump which on demand take water from the cleanest part of the tank through a floating suction filter suppling filtered rainwater to the break tank.
This tank gravity supplies water to point of use, it is possible to have the break tank at any level in the building when combined with a booster unit sized for the specific building requirements.
During periods of low rainfall a WRAS compliant mainswater top-up provides a continuous failsafe supply.
More than one break tank can be used in a system - our team can offer design assistance to ensure the most economic solution is applied.
Pressurised Rainwater Harvesting System

This system may be required in buildings with low water consumption, where roof space for a header tank is limited or where a pressurised supply is required for applications.
Rainwater collection and flow within the pressurised system follows the same process as the non pressurised system - the main difference being that water enters the control system and flows via a pressurisation unit as a direct supply to points of use.
In periods of low rainfall a WRAS compliant mainswater backup activates, providing a continuous water supply. This tops-up a percentage of the underground storage tank.
This type of system is only recommended within certain applications and it is best to discuss your individual requirements with our sales team.
Combi Rainwater Harvesting System
This is a unique control system combining the benefits of both a gravity-fed header tank system and the pressurised supply of a boosted water system.
As with our other systems, rainwater follows the same journey until it reaches the control unit.
Instead of the normal control unit a Combi unit is fitted, where water is stored awaiting distribution by the energy efficient variable speed booster; providing water at pressure to a range of applications without the need for large header tanks.
The system also features mainswater back-up and WRAS compliant air-break to provide a continuous water supply.
All of the Stormsaver rainwater recovery systems will make the most economic use of the local rainfall with predicted water consumption.
It is recommended that you speak to our expert staff to help you choose the correct type of system for your application and that you choose low water consuming products to complement the system, furthering a reduction in overall consumption.