Do you need a pump for a rainwater tank?
A water tank pump (also known as a pressure pump) is required in order to use tank water throughout your home. The pump pushes the water out of your tank providing you with pressurised water at the various tap points in your house.
What kind of pump do you need for a water tank?
If you are using the pump to supply water to the house then you will need an automatic pressure pump that is safe for drinking water. An automatic pressure pump is simply a bare pump with a ‘Pressure Controller’ or a ‘Pressure Tank with Switch’ on the pump outlet.
How does rainwater tank pump work?
A low-powered pump is used to transfer the water from the main rainwater tank to the header tank. The rainwater can then be delivered by gravity to the household. The water supply pipes in the house also need to be sized to suit low pressure supply.
How do I choose a rainwater pump?
First steps in deciding on your rainwater tank pump A good domestic pump should deliver at least 20L a minute which is around the same rate as a typical domestic town water tap; but most can manage more than this. The more water outlets the pump needs to service, the greater its maximum flow rate needs to be.
Is a rainwater tank worth it?
Are rainwater tanks worth it? Well consider that a maintained rainwater tank can last up to 30 years and over that time can provide significant savings on your water bills, help our water shortage crisis and provide you with fresh water during times of water restrictions and droughts.
What to do with a Davey rainbank pump?
These type of accessories are expensive to buy and have fitted. Some also prime with mains water before using tank water!!! You are much better off to simply switch over to mains pressure and turn the pump off when you run low on tank water and consign the Rainbank to the trash.
How does a variable speed rainwater pump work?
A rainwater pump is typically supplied with a suitable controller to switch it on and off as required in response to the water flow. For outdoor water uses the controller is often mounted on the pump. For whole-of-house rainwater supplies, a variable speed pump delivers a more even pressure at the expense of energy efficiency.
Can a rainwater tank be installed in a subfloor?
Underground tanks can capture all runoff water and save space. Bladders are sealed, flexible sacks that are suitable for subfloor spaces with as little as 600mm height clearance. Their installation is more technically involved than a standard tank but they can be especially good for renovations where space is limited.
How much does it cost to replace a rainbank?
You are much better off to simply switch over to mains pressure and turn the pump off when you run low on tank water and consign the Rainbank to the trash. Rainharvesting make a simple top up system if you do decide to replace the Rainbank but it will still cost you about $250-$300.
