Retention – Detention Rainwater Tanks

Retention Detention Water tanks are becoming a requirement with the Councils around the country on any new build homes or houses that have renovations under the old storm water drainage system.With a simple T-Junction pipe fitting installed half way down the tank, a Thin Tank can become a Retention- Detention Tank. The fitting allows half the volume of the tank to flow at a slow pace into the storm water system while retaining the other half in the tank for normal use such as watering the garden, washing the house or car.

With a simple T-Junction pipe fitting installed half way down the tank, a Thin Tank can become a Retention- Detention Tank. The fitting allows half the volume of the tank to flow at a slow pace into the storm water system while retaining the other half in the tank for normal use such as watering the garden, washing the house or car.

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