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Click
on the pictures below for specific installation
instructions on your particular tank design
Installation
guidelines for Small Rain Water
Tanks
STEP 1:
Using the Rainfall and Roof Area Catchment
Calculator decide which size round rainwater tank will be best
suited for its intended points of use. Depending on what you are
going to use the rain water for will also decide on which pump
package you will need. If you are going to be using the water from
the tank to flush toilets and run the washing machine a
Davey Rain Bank Switch
pump package is recommended. This
will automatically switch to mains water when the level in the
rainwater tanks is too low.
STEP 2:
Next choose a suitable location for your round rainwater tank. You
should take into consideration that it will need to be located
adjacent to a downpipe from the roof gutter so this can be connected
into the tank so it can be filled when it rains. (Please check with
your local council guidelines).
STEP 3:
Your round
rainwater tank should be positioned on level ground of stable
nature. There are two options for the base material of your round
rainwater tank.
Concrete Slab
- 100mm
thick concrete slab, reinforced with F62 mesh with trowel finish.
Crusher Dust -
A
crusher dust base should be 300mm wider in diameter than the base of
the tank. Remove at least 100mm of natural soil, ensuring the
excavation is flat and level. Fill with 75mm of crusher dust
thoroughly mixed with dry cement powder to a ratio of 3 bags for 4
meters of base width. Spread out evenly at compact using a
mechanical plate compactor. Do not try and compact manually. Screed
the top to make sure the finished surface is perfectly level. Do
not wet the cement or base as the natural moisture from the ground
will do this over time.
STEP 4:
Position
your round tank on its base ready to be connected to the downpipe
and the pump.
STEP5:
Disconnect
and remove the downpipe from the gutter that you have decided will
feed your rainwater tank.
STEP 6:
Using 90mm PVC pipe, bends and a downpipe
adapter run your new PVC downpipe from the inlet of your rainwater
tank and connect onto the existing downpipe gutter nozzle using PVC
solvent cement on all joints. We also recommend incorporating a
First Flush Diverter
to remove any solids washed from your gutter that could potentially
contaminate your tank water. (You will need to measure the gutter
nozzle to determine what size downpipe adaptor to use).
STEP 7:
Again using 90mm PVC pipe and bends, run from the rainwater tank
overflow point down into the stormwater system where the old
downpipe used to be connected. This may need to be altered to
accommodate the 90mm round PVC pipe.
STEP 8:
At the
base of the rainwater tank screw in the correct size brass ball
valve using Teflon plumbers tape to seal the thread. Depending on
the manufacturer and size of your tank there may be two outlets at
the base of the tank and you may need two ball valves.
STEP 9:
Connect your pump up to the ball valve on the tank using the
correct size pipe and fittings. Install a rainwater gauge so the
level of the water in your tank can be seen at a glance.
STEP 10:
You
are now ready to run from your pump to the point of use in poly pipe
and fittings. A Sediment
Filter should be used
immediately after the pump to remove unwanted solids from the water
which may cause the toilet inlet valves and washing machine solenoid
to fail. (The connection to toilets and washing machine must be done
by a licensed plumber).
STEP 11:
Plug
your pump into the power point and turn the power on. Cover your new
pump using a Poly Pump
cover to protect it from
the elements and reduce pump noise. Your Slimline Rainwater tank is
now fully operational and your ready to start collecting and using
the rain. (A weather proof power point will need to be installed
next to the pump by a licensed electrician).
Disclaimer:
To insure
the above mentioned work is done to local and Australian standards
and all work is warranted, we recommend using a licensed plumber and
electrician to install all aspects of your Slimline rainwater tank.
A licensed plumber will be needed to receive the maximum rebates
available.
back to top
Installation
guidelines for Large Rain Water
Tanks
STEP 1:
Using the Rainfall and Roof Area Catchment
Calculator decide which size round rainwater tank will be best
suited for its intended points of use. Depending on what you are
going to use the rain water for will also decide on which pump
package you will need. If you are going to be using the water from
the tank to flush toilets and run the washing machine a
Davey Rain Bank Switch
pump package is recommended. This
will automatically switch to mains water when the level in the
rainwater tanks is too low.
STEP 2:
Next choose a suitable location for your round rainwater tank. You
should take into consideration that it will need to be located
adjacent to a downpipe from the roof gutter so this can be connected
into the tank so it can be filled when it rains. (Please check with
your local council guidelines).
STEP 3:
Your round
rainwater tank should be positioned on level ground of stable
nature. There are two options for the base material of your round
rainwater tank.
Concrete Slab
- 100mm
thick concrete slab, reinforced with F62 mesh with trowel finish.
Crusher Dust -
A
crusher dust base should be 300mm wider in diameter than the base of
the tank. Remove at least 100mm of natural soil, ensuring the
excavation is flat and level. Fill with 75mm of crusher dust
thoroughly mixed with dry cement powder to a ratio of 3 bags for 4
meters of base width. Spread out evenly at compact using a
mechanical plate compactor. Do not try and compact manually. Screed
the top to make sure the finished surface is perfectly level. Do
not wet the cement or base as the natural moisture from the ground
will do this over time.
STEP 4:
Position
your round tank on its base ready to be connected to the downpipe
and the pump.
STEP5:
Disconnect
and remove the downpipe from the gutter that you have decided will
feed your rainwater tank.
STEP 6:
Using 90mm PVC pipe, bends and a downpipe
adapter run your new PVC downpipe from the inlet of your rainwater
tank and connect onto the existing downpipe gutter nozzle using PVC
solvent cement on all joints. We also recommend incorporating a
First Flush Diverter
to remove any solids washed from your gutter that could potentially
contaminate your tank water. (You will need to measure the gutter
nozzle to determine what size downpipe adaptor to use).
STEP 7:
Again using 90mm PVC pipe and bends, run from the rainwater tank
overflow point down into the stormwater system where the old
downpipe used to be connected. This may need to be altered to
accommodate the 90mm round PVC pipe.
STEP 8:
At the
base of the rainwater tank screw in the correct size brass ball
valve using Teflon plumbers tape to seal the thread. Depending on
the manufacturer and size of your tank there may be two outlets at
the base of the tank and you may need two ball valves.
STEP 9:
Connect your pump up to the ball valve on the tank using the
correct size pipe and fittings. Install a rainwater gauge so the
level of the water in your tank can be seen at a glance.
STEP 10:
You
are now ready to run from your pump to the point of use in poly pipe
and fittings. A Sediment
Filter should be used
immediately after the pump to remove unwanted solids from the water
which may cause the toilet inlet valves and washing machine solenoid
to fail. (The connection to toilets and washing machine must be done
by a licensed plumber).
STEP 11:
Plug
your pump into the power point and turn the power on. Cover your new
pump using a Poly Pump
cover to protect it from
the elements and reduce pump noise. Your Slimline Rainwater tank is
now fully operational and your ready to start collecting and using
the rain. (A weather proof power point will need to be installed
next to the pump by a licensed electrician).
Disclaimer:
To insure
the above mentioned work is done to local and Australian standards
and all work is warranted, we recommend using a licensed plumber and
electrician to install all aspects of your Slimline rainwater tank.
A licensed plumber will be needed to receive the maximum rebates
available.
back to top
Installation
guidelines for Slimline Rain Water
Tanks
STEP 1:
Using the Rainfall and Roof Area Catchment
Calculator decide which size Slimline rainwater tank will be best
suited for its intended points of use. Depending on what you are
going to use the rain water for will also decide on which pump
package you will need. If you are going to be using the water from
the tank to flush toilets and run the washing machine a
Davey Rain Bank
Switch
pump package is recommended. This
will automatically switch to mains water when the level in the
rainwater tanks is too low.
STEP 2:
Next
choose a suitable location for your slimline rainwater tank. You
should take into consideration that it will need to be located
adjacent to a downpipe from the roof gutter so this can be connected
into the tank so it can be filled when it rains. (Please check with
your local council guidelines).
STEP 3:
Your
slimline tank should be positioned on level ground of stable nature
with a 100mm thick concrete reinforced slab of slightly larger
dimensions than the base of the rainwater tank (allowing space for
the pump to sit on). This concrete slab should be prepared and fully
cured before placement of your tank.
STEP 4:
Position
your tank on the concrete slab ready to be connected to the downpipe
and the pump.
STEP5:
Disconnect and
remove the downpipe from the gutter that you have decided will feed
your rainwater tank.
STEP 6:
Using 90mm PVC pipe, bends and a downpipe
adapter run your new PVC downpipe from the inlet of your rainwater
tank and connect onto the existing downpipe gutter nozzle using PVC
solvent cement on all joints. We also recommend incorporating a
First Flush Diverter
to remove any solids washed from your gutter that could potentially
contaminate your tank water. (You will need to measure the gutter
nozzle to determine what size downpipe adaptor to use.)
STEP 7:
Again using 90mm PVC pipe and bends, run from the rainwater tank
overflow point down into the stormwater system where the old
downpipe used to be connected. This may need to be altered to
accommodate the 90mm round PVC pipe.
STEP 8:
At the base of the rainwater tank screw in a 25mm (1”) brass ball
valve using Teflon plumbers tape to seal the thread. Some brands of
tanks will have two choices for the outlet position and this spare
outlet will need to be blocked off using a 25mm (1”) plug or cap and
Teflon plumbers tape. Some manufactures will leave these for you to
drill out. If this is the case you should only drill out the one
needed.
STEP 9:
Connect
your pump up to the ball valve on the tank using a 25mm (1”) hose
connection kit and Teflon plumbers tape. Install a rainwater gauge
so the level of the water in your tank can be seen at a glance.
STEP 10:
You are now ready to run from your
pump to the point of use in poly pipe and fittings. A
Sediment Filter
should be used immediately after the pump to remove unwanted solids
from the water which may cause the toilet inlet valves and washing
machine solenoid to fail. (The connection to toilets and washing
machine must be done by a licensed plumber).
STEP 11:
Plug your pump into the power point
and turn the power on. Cover your new pump using a
Poly Pump cover
to protect it from the elements and reduce pump noise. Your Slimline
Rainwater tank is now fully operational and your ready to start
collecting and using the rain. (A weather proof power point will
need to be installed next to the pump by a licensed electrician).
Disclaimer:
To insure
the above mentioned work is done to local and Australian standards
and all work is warranted, we recommend using a licensed plumber and
electrician to install all aspects of your Slimline rainwater tank.
A licensed plumber will be needed to receive the maximum rebates
available.
back to top
Installation
guidelines for Under Deck Water
Tanks
back to top
Installation
guidelines for Bladder Tanks
STEP 1:
Using the Rainfall and Roof Area Catchment
Calculator decide which size Bladder rainwater tank will be best
suited for its intended points of use. Depending on what you are
going to use the rain water for will also decide on which pump
package you will need. If you are going to be using the water from
the tank to flush toilets and run the washing machine a
Davey Rain Bank
Switch
pump package is recommended. This
will automatically switch to mains water when the level in the
rainwater tanks is too low.
STEP 2:
Next choose a suitable location under your house or deck for your
bladder rainwater tank. You should take into consideration that it
needs to be able to fit in between the support posts of your house
or deck and that the bladder will fill to 700mm in height including
the breather vent.
STEP 3:
Decide on
an area to position the bladder tank under your house or deck that
is flat and level to ensure maximum water storage is achieved.
STEP 4:
The bladder tank does not need a concrete base to sit on but a paver
or brick will need to be placed under each leg level with ground to
support the weight of the bladder and frame.
STEP 5:
Assemble the bladder and the frame kit under the house or deck in
position per manufactures installation instructions.
STEP 6:
Disconnect
and remove the downpipe from the gutter that you have decided will
feed your rainwater tank.
STEP 7:
Using 90mm PVC pipe, bends and a downpipe
adapter run your new PVC downpipe from the inlet of your rainwater
tank and connect onto the existing downpipe gutter nozzle using PVC
solvent cement on all joints. We also recommend incorporating a
First Flush Diverter
to remove any solids washed from your gutter that could potentially
contaminate your tank water. (You will need to measure the gutter
nozzle to determine what size downpipe adaptor to use).
STEP 8:
Again using 90mm PVC pipe and bends, run from the rainwater tank
overflow point down into the stormwater system where the old
downpipe used to be connected. This may need to be altered to
accommodate the 90mm round PVC pipe.
STEP 9:
Connect your pump up to the ball valve on the
tank using a 25mm (1”) hose connection kit and Teflon plumbers tape.
If a Davey Rain Bank Switch
is to be
used a float chamber will need to be installed.
STEP 10:
You
are now ready to run from your pump to the point of use in poly pipe
and fittings. A Sediment Filter should be used immediately after the
pump to remove unwanted solids from the water which may cause the
toilet inlet valves and washing machine solenoid to fail. (The
connection to toilets and washing machine must be done by a licensed
plumber).
STEP 11:
Plug
your pump into the power point and turn the power on. Cover your new
pump using a Poly Pump cover to protect it from the elements and
reduce pump noise. Your Bladder Rainwater tank is now fully
operational and your ready to start collecting and using the rain.
(A weather proof power point will need to be installed next to the
pump by a licensed electrician).
Disclaimer:
The
manufactures also advise to use one of their accredited installers.
To insure the above mentioned work is done to local and Australian
standards and all work is warranted, we recommend using a licensed
plumber and electrician to install all aspects of your bladder
rainwater tank. A licensed plumber will be needed to receive the
maximum rebates available.
back to top
Installation
guidelines for Underground Poly Water Tanks
back to top
Installation
guidelines for Underground Concrete Tanks
back to top
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