How Does a Rainwater Diverter Work?

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If you’re looking to save costs while also contributing to the conservation of our planet, a rainwater diverter is an easy to install option for any home or commercial property. In this brief article we explain how they work, the benefits of fitting a diverter, and how you can add one to your guttering system.

picture of a rainwater diverter installed to a water butt

Simple and Sustainable Solution

How a rainwater diverter works is very simple – the inexpensive devices are used to connect the roof drainage system of a house or building to a rain barrel water butt or storage tank, and they divert some of the water that flows down from the gutter downpipes into the underground drainage system and instead channel it so it can be stored and used at a later time. Depending on your requirements, there are a wide range of water storage solutions available that vary in terms of shape and capacity, enabling you to access the rainwater via a hose connection or tap for filling a bucket or watering can.

Produced by a number of different brands, they are available in a variety of sizes and styles – including square, rigid, flexible, and round rainwater diverters – as well as a range of finishes to ensure that you can choose a diverter that works well with your current guttering and drainage pipes in terms of fit and design. In addition, it’s possible to purchase some diverters with adjustable rainwater shoes for easier installation, or products with an overflow function that enable collected rainwater to bypass the diverter and allow rain to continue down the drain pipe to avoid flooding problems in the event of your storage solution becoming full.

Economic and Environmental Benefits

There are several advantages to using rain water diverters. By providing a free source of water that can be used for a wide number of jobs – which includes everything from topping up ponds and maintaining compost to car-washing and even toilet flushing – they can help to cut utility costs for homes or commercial buildings with water meters. As well as helping you to save money, recycling rainwater benefits the environment too, which is a key reason why more and more homeowners are investing in rain diverter systems.

As the harvested water doesn’t contain chlorine or other cleaning chemicals that are normally used to sanitise tap water, a rain water diverter also provides an excellent source of hydration for the garden as well as indoor and outdoor plants, lawns, allotments, wildlife and pets. This can be useful across all areas of the UK as a result of the increasing pressure on water resources due to climate change and a growing population, and it’s particularly beneficial in areas where hosepipe bans are often implemented following two consecutively dry seasons.

Alternatively, for areas with higher than average rainfall or after a heavy rain event, rainwater diverters work to reduce the amount of water being directed into the ground drainage system around a home or property, which in turn can minimise flooding and ground saturation across nearby gardens.

Fitting a Rainwater Diverter

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Although the installation steps may vary slightly depending on the brand and style of the product that you purchase, in general there are two different – but equally straightforward – ways that you can fit a rainwater diverter. The first method is to remove a section of the downpipe of your plastic guttering system, install the rainwater diverter in place of the removed section, and then ensure that either the shoe or hose that is attached to the diverter is fixed to a water butt or water storage tank. The second way is to use a rainwater diverter that has a similar design to a gutter bracket or downpipe joiner, then you can easily connect it to two sections of downpipe in the same way that a gutter union is connected. Depending on the product you’re using, you may also need to drill a hole into the water butt to take the feed from the diverter.

Diverter Kits and Expert Advice

If you’re interested in recycling rainwater and reducing demand on your mains water, at EasyMerchant we offer a wide selection of rainwater diverters and water butts from leading brands such as Brett Martin. Our selection includes different shapes and sizes that are compatible with a variety of roofline drainage systems, and we also stock rainwater harvesting systems too that can provide recycled rainwater for irrigating lawns and gardens. Whichever product you prefer, our expert team is on hand to offer installation advice where needed, ensuring your new environmentally-friendly water solution is set up in no time.

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3 thoughts on “How Does a Rainwater Diverter Work?

  1. avatar of patty christie
    Patty Christie says:

    I have installed one but when the water butt is full it just overflows onto the ground. Should the diverted be higher, level or lower than the hole in the water butt?

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