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The life expectancy of Rain Filters cartridges is determined by three factors – water pressure, water quality and usage.
Residual sediments and other matter will eventually build up in the filter cartridge causing water pressure drops. Accordingly, cartridge life may vary between 6 and 12 months. To prolong the life of the cartridges and improve the performance of the rain harvesting system, it is recommended that the system be designed to prevent debris getting into the rainwater storage vessel in the first place.
'Pre-treatment devices' are required by many authorities and should be included as part of all rain harvesting systems. Installation of the following products will improve water quality, and help extend filter life.
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A fire proof gutter mesh system should be installed to keep leaves, debris and vermin out of gutters.
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Leaf Eater® or Leaf Beater® screened rain heads should be installed at each downpipe that supplies rainwater to the tank. These devices improve the hydraulic performance of downpipes by deflecting leaves and debris away from the flow of water. Gutter mesh and rain heads prevent gutters blocking and eaves flooding and in doing so, reduce fire risk by keeping flammable material out of the gutter.
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It is also critical to install First Flush Water Diverters to prevent the first, most contaminated rainfall from polluting tank water. First Flush Diverters can be installed at each downpipe that supplies water to the tank, or larger units, that can handle multiple inlet pipes, can be installed nearby the tank.
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'Triple Action' Rain Filters
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Improving Rainwater Quality
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Replacement Filter Cartridges
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