How Does Rainwater Diverter Work? (+Rainwater Benefits & Uses) - Read Here!

Written By James
Updated March 10, 2023 by James

How Does Rainwater Diverter Work? (+Rainwater Benefits & Uses) - Read Here!

How Does Rainwater Diverter Work?

Rainwater diverters are great for homeowners who live in areas with heavy rainfalls.

They divert water from the roof down into a container where it is collected and stored for later use. 

Rainwater diverters are a great way to save water and money, protect your home and garden from floods, and decrease water waste. 

Rainwater Diverter

A rainwater diverter is an inexpensive device that connects your roof drainage system to a water storage tanks.

As its name suggests, a rainwater diverter diverts any rain that goes into the roof drainage.

So instead of the rainwater flowing in and out of the gutter downpipes into the ground drainage or the underground drainage system, the rain gets stored in a storage tank for later use. 

You can install dozens of rain barrel water butt or storage tanks as you like to collect as many litres of rain water as you need through your rainwater harvesting system. 

How It Can Help You Save Money And Our Planet

Using a rainwater diverter can help reduce the amount of water running off into drains. This helps conserve resources and protect the environment.

Rainwater diverters provide a free source of water for many different uses.

They also help to reduce your water bills by conserving water.

Recycling rainwater helps the environment because it saves resources. 

It can also be useful across all areas in the UK where there is increasing pressure on water supplies due to climate change and the growing population.

Rainwater diverters are used to prevent flooding and ground saturation by keeping some storm water out of the ground.

They divert rainwater away from the ground and towards storage. This prevents flooding and ground saturation that in turn saves and helps your garden.

Flooding can also wash off significant amounts of water washing and nutrients that can worsen soil structure and affect your garden negatively.

Benefits Of Using A Rainwater Diverter/ Collecting Rainwater

Rainwater is a great and natural water source - plus, it's free!

You can use it to water your lawns, gardens, and houseplants.

In fact, it may be better for your plants. Tap water can contain chlorine and other chemicals that are used to treat water. Although those are safe enough to use, rainwater is still superior and is cleaner water in terms of chemicals.

Rainwater has a lower pH that's much more suitable for most plants. It also carries more nitrates and oxygen that help your plants grow healthier.

Use it to wash:

  • Soiled gardening tools
  • Gardening equipment like lawnmowers and tractors
  • Vehicles
  • Concrete driveway 
  • Outdoor furniture
  • Laundry

Washing things with paid water is literally pouring money down the drain!

If you feel icky washing your clothes with rainwater, then just wash rugs or mops with it. Remember that you can always filter rainwater to make it free of debris or dirt. 

Give it to your pets, livestock, or wildlife.

If the rainwater is free of debris, it's safe to give them to animals as a drink. You can also filter rainwater. 

Fill water features or ponds with it.

You can also use rainwater to fill your ponds, pools, or fountains if you have any. Just filter them as needed.

Control Flooding

Catching and collecting storm water can help minimise or even diminish the negative effects of actual flooding in your home and garden.

It is a great way to deal with any localised flooding to keep and keep the water in your garden under control even with excessive rain.

Rain Water Saver

If you are in an area that experiences regular water shortages or has unreliable or overpricing water companies, having rainwater harvesting systems would help a lot. 

You can store any excess water in dozen water butts, so always have litres of water to use when needed.

Is Installing Rainwater Diverter Hard?

No, rainwater diverters are easy to install.

It depends on the brand and design, of course, but basically:

  1. You remove a section of your downpipe.
  2. Put the diverter and some pipes (if needed) in place.
  3. And then, attach the diverter to your water storage. 

There are various brands that manufacture rainwater diverters, so they come in a variety of shapes and sizes.

Some are designed to be installed directly into existing gutters or drainage pipes. Others are designed to be placed over existing gutters or drainage systems. Some are designed to collect water from roofs, while others are designed to divert water away from buildings.

You can even choose from a wide range of water storage options; some can be connected to a hose or have taps you can use to get the rainwater.

There are also many different kinds of roof drainage systems. 

So, if you're planning on getting a rainwater diverter, make sure to check if they match.


Rainwater diverters are a great addition to your home and to your garden.

A water diverter is an excellent addition to your water conservation process.

They can be really beneficial to you if your area gets lots of rain and when you have a lot of plants or trees to water around your home.

They can minimise or even diminish the negative effects of flooding on your home, garden, or even your neighbour's nearby garden.

They work by catching the rain before it drains into the ground. This means you won't have to worry about wasting any precious paid tap water.

Aside from being great for the environment and your wallet, they're also great for your plants!

Recycled rainwater is better for your plants than tap water, so collecting rainwater through a rainwater diverter is worth it. 

Just remember to choose a water storage solution and rainwater diverter that fits well with your current guttering. 

We hope you enjoyed reading this article as much as we enjoyed making it. 

See you on another one!

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My father, and his father before him, and his father; for the past 3 generations, my family have always been into gardening. The green fingers is a gift passed down to me and I thoroughly enjoy it! I also have worked in the manufacturing department for Bosch and DeWalt so I like to think I know a thing or two about tools and such!
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