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Home Maintenance Advice Maintenance
Maintenance and inspection of rainwater tanks Print E-mail

Like all valuable appliances, your rainwater tank system requires basic maintenance to keep it healthy and operational. Regular water tank servicing and maintenance ensures your rainwater storage system operates at optimum efficiency.

Rainwater systems that don’t receive maintenance are more likely to develop problems, and may void manufacturer’s warranties.


Timetable of basic maintenance

A rainwater harvesting system comprises of several components, and is generally located outdoors with exposure to the elements.  

Components with moving parts or filters should be checked and cleaned regularly.  The following timetable gives a guide for frequency.  

  • Check rainwater catchments are clean & free of debris – Quarterly
  • Empty & clean first-flush diverters and rain heads – Quarterly
  • Remove, clean and check inlet and outlet/overflow strainers – Quarterly
  • Maintain water pump & pump filters – 6 monthly
  • Complete system inspection and water quality testing – Annually
  • Water filtration maintenance (replace system components) – As directed
  • Remove accumulated sediment/sludge from tank bottom – 1-2 years


Who can perform maintenance?

Rainwater system maintenance is generally straightforward and does not require specialist tools.  Cleaning and replacing filters can be done by the home owner.  

Care should be taken when cleaning gutters, as there are hazards associated with working at heights. 

Electric motors, pumps and switching devices should be serviced by qualified and licensed tradespeople.

Many tank manufacturers and tank installers also offer tank related maintenance services.  

This material has been prepared as a result of discussions with the NSW Department of Planning although RHAA is solely responsible for the material. The RHAA provides these as general principles with no implied liability for the advice. In all circumstances you should rely on your own sources for advice that will meet your specific needs. 
Last Updated on Thursday, 29 October 2015 14:10
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