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Frequently Asked Questions
Who installs my tank?
Check the local codes and current regulations set by your
local council. Metroll basic installation guidelines need to
be followed and installation should be undertaken by an
experienced plumber or tank installer.
How do I work out what size tank I need and how much water can be collected from my roof?
The tank capacity you need depends on your personal
requirements, your roof area and annual rainfall in your
region. There is a simple formula for working out how
much water will be collected from your roof. Approx. 1mm
of rain on 1m² of roof equals 1L of water. For example, if
your roof is 50m² and the local rainfall is 1200mm then 50
x 1200 = 60,000L of water will be collected per annum.
Assess the area you have to place a tank in and make
sure you have assessed the roof catchment area into
your tank.
Check your tank to ensure that it has the correct volume
and has enough outlets for excess overflow into a
stormwater system.
Will I need a pump?
Most tanks operate with a pump. As a general rule a
pump is required if water has to be pushed uphill or along
ground level.
Does my tank need a stand or base?
Yes. There are 3 main types: reinforced concrete slab,
a stand or compacted crusher dust/road base with a
surround for support. For further tank information please
contact your nearest Metroll office.
Can I get rebate or incentive to install a tank?
This is subject to each State, Council and Shire’s current
regulations and must be checked on a case by case
basis.
Does it matter where I put my tank?
Metroll recommends that you place your tank in a cool
shady place away from trees and falling leaves.
Can I get a warranty?
AQUAPLATE® steel tanks supplied by Metroll carry a 20
year steel manufacturer’s warranty* and a workmanship
warranty of 2 years.
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