Rainwater Toilet Flush System
Since toilet flushing uses so much water, and since the water used certainly does not need to be expensively treated drinking water, a toilet flushing system using collected rainwater is a great idea. In our article Flush Toilet With Rain Water we looked at a very …

Sand Filters for Greywater
Greywater describes waste water which is a little bit dirty - for example, water which has been used in a bath or shower. Using a diverter valve, or syphon pump this water can be diverted from the waste pipe and used to water plants in …

Connecting Water Butts
A water butt is a vital component of any small to medium size rainwater or greywater harvesting system. While larger systems utilise 1,000+ litre underground water storage tanks and require professional installation, a water butt can be set up by anyone very easily in conjunction …

Rainwater Diverter
A Rainwater Diverter is a simple device used to direct rainwater collected by guttering into a water buttor storage tank for later use in the garden, for toilet flushing, car-washing, and much more. Inserted into a downpipe (the pipe which connects roof mounted guttering to the …

Flush Toilet With Rain Water
Collecting Rainwater for use as drinking/washing water is not very difficult, however it may be beyond the DIY skills and budgets of many people. Typically 25% of domestic water is flushed down the toilet - literally. This is a crazy waste of expensively processed potable …

10 Ways To Save Water
The average person in the UK uses around 150-200 litres of water every day in the home, and only 5-10 of these litres are for basic survival - food preparation and drinking. The rest we choose to use to make our lives more comfortable. One-third …

Simple Well Pump Controller
In this article we will look at how a simple system using float switches and relays can be put together to automate the process of getting water from a well, spring, or stream into a header tank ready for use. This system design uses no …

Simple Sump Pump Controller
Having a reliable system to pump out a sump pit is essential as mistakes and failures can lead to serious flooding and enormous expense. In our article Sump Pump Control System we introduced a selection of electronic solutions to the following problems: 1) Identifying when the …

Solar Powered Irrigation
With hosepipe bans becoming more frequent thanks to global warming (and water companies not fixing the leaks which lose 50% of all treated water in the UK), more and more people are starting to collect rainwater and greywater for use in their gardens. The only problem …

Float Switch Water Level Measurement
A Float Switch is a device which is typically used to measure the depth/level of liquid in a container. As the water rises and reaches the level of the float switch, it begins to float going from the vertical to the horizontal. This closes an …

Water Pump Hysteresis Circuit
In our articles Float Switch Water Level Measurement and Automatic Pump Shut Off Circuit we looked at simple ways of controlling a pump automatically according to the level of water in a tank. We mentioned in the second of those articles that a pump can be …

Automatic Pump Shut Off Circuit
One of the fastest ways to destroy a perfectly good pump is to let it operate dry - i.e. to leave it running when there is not enough water for it to pump. Expensive pumps are usually fitted with a system which detects the presence of …

Disinfecting Greywater
Greywater such as used bathwater, laundry washing water, and kitchen sink water is very easy to recycle, however it must not be stored for any length of time (more than a day) without some kind of treatment. Greywater can contain bacteria, fecal matter, and will …

Greywater
Greywater / Grey Water (or Graywater for US visitors) is water which has been used for washing and can potentially be reused rather than sent straight down the drains. Grey water includes water from laundry, dishwashers, baths, showers, hand washing etc, but does not include …

Sump Pump Control System
A sump pit is sometimes found in the basement of homes here in the UK and around the world. It is quite simply a hole in which water collects - either from the drains of a basement waterproofing system, from ground water (if the basement …

First Flush System Rainwater Harvesting
In any kind of domestic rainwater harvesting system in which collected water is destined for anything other than garden irrigation, it is essential that dirt, debris, bird droppings, leaves, and other contaminants which accumulate on roofs are kept out of the water storage tank when …

Greywater Diverter Valve
Greywater is waste water from baths, showers, and so on which can be used to water plants and wash cars amongst other things. In almost all homes this expensively treated water goes straight down the drain and into the sewerage system to be expensively treated …

Steca TR 0301 Solar Water Heating Controller
A solar water heating controller is a device which measures the temperature of the solar panel and hot water tank in a solar water heating system and uses that information to decide when the circulation pump should be on (solar panel hotter than hot water …

Digital Watering Timers and Solenoid Valves
One of the commonest questions we have in response to our article Solar Powered Irrigation is how to control mains pressure water fed irrigation systems - i.e. how to turn the water supply on and off automatically to feed porous pipe or drippers. Digital Watering Timers …

Understanding Liquid Sensors
In our article Float Switch Water Level Measurement we looked at how float switches can be used to detect when water in a vessel reaches a certain height. In that same article we introduced liquid sensors, with further information available in our REUK Shop product …

Watergreen Syphon Pump Recycle Bath Water
Setting up a Greywater recycling system is an excellent way to save water and money. Water from bathing which would otherwise go down the drain for expensive sewage treatment can instead be used to water plants in the garden. With ever increasing numbers of hosepipe …

Water Butts
A water butt is a container typically used for the storage of rainwater or greywater for garden irrigation. An enormous range of water butts are available from a few pounds up to many hundreds of pounds. Water Butt Sizes Water butts are available in a huge range …

Introduction To Compost Toilets
A compost toilet is a waterless toilet perfect for use in off-grid locations. Not only do compost toilets save water, they also create usable compost as a byproduct. With a typical domestic toilet getting through 45,000 litres of treated water per year, the compost toilet …

Collect Rainwater
Rainwater collection is one of the easiest ways you can save water, money, and energy. Whether collecting rain in an old dustbin, a water butt, or filling a 5,000 gallon tank under your home, there is something that everyone can do. Depending on the size …

Watercone Solar Fresh Water
The Watercone is a simple solution to the age-old problem of obtaining clean fresh drinking water from salty sea water. As the schematic above shows, the Watercone is a clear plastic cone which is placed over a shallow dish filled with salty water (or even directly …

Water Two Greywater Diverter Review
The Water Two is a Greywater Diverter Valve designed in the UK by Lincolnshire company Water Two UK Ltd. Designed to be fitted into the exterior waste water pipe from a bathroom, Water Two is used to divert used water (aka greywater) down a standard hosepipe …

Efficiencies Of Different Types Of Water Wheel
In our article Introduction to Water Wheels we introduced Undershot and Overshot water wheels together with other alternatives. Each different type of water wheel has its advantages and disadvantages as well as features which make them suitable or unsuitable for different situations. In this article we …

How To Solder Copper Pipe
In our many articles on Solar Water Heating we have frequently mentioned copper pipe, but never how to solder it to make water-tight connections. In this article we will show you how to solder copper pipe safely and reliably. It is actually very easy as …

Pumps for Irrigation and Rainwater Harvesting
A pump is the key component in most irrigation, rainwater toilet flush, and greywater systems. The commonest requirement is to shift volumes of water from a large collection/storage tank to a header tank from which it is used to water crops or gravity feed toilet …

GutterMate Rainwater Filter and Diverter
Guttermate is a rainwater filter and diverter product which can be quickly installed enabling the collection and storage of rainwater, and easy removal of leaves and other debris from the downpipe. We have previously looked at the benefits of intercepting rainwater as it flows through the …

Save Water When Flushing Toilet
Everyday millions of gallons of expensively treated potable water is flushed down the toilet in the UK. Ideally we would all use rainwater to flush our toilets however this is not considered a practical option for most people. An alternative is to reduce the amount …

UK Rainwater Harvesting Suppliers
Collecting Rainwater is one of the cheapest and easiest ways of saving money and helping the environment. Whether you just want to use Rainwater to flush your toilets, or want to be completely water self sufficient, there is a supplier in the UK with the …

Watergreen Drought Buster Product Review
The WaterGreen (click here to find out more) is a syphon pump powered bath water recycling system. It is designed to get Greywater out from the house and into the garden via a standard hosepipe. Using WaterGreen WaterGreen (aka Droughtbuster) is supplied with a two-sided printed A4 …

Klargester Raintrap Rainwater Harvesting
More and more people are now collecting rainwater to use in garden irrigation, toilet flushing and much more. Systems range from an old barrel at the bottom of a downpipe to underground tanks storing thousands of gallons of rainwater and/or treated greywater. Klargester have a new …

Review of GutterMate
In our article GutterMate Rainwater Filter and Diverter we introduced GutterMate. This affordable device promises not only to divert rainwater to a suitable water butt, but also to prevent the down pipe from getting blocked with leaves and other debris thanks to its filter. The manufacturers …

Hydrosave Water Saving Device
Vast amounts of water are wasted every year when people have to run the tap waiting for hot water. Even with modern combi boilers there is no such thing as instant hot water - as well as the time it takes to heat up water …

Akvaterm Accumulator Tanks
Contact Peter de la Haye Engineering directly by email at sales@accumulatortanks.co.uk Peter de la Haye Engineering The Laws Coach House Duns Berwickshire Scotland TD11 3LU Phone: Office open Mon - Fri 9am to 5pm Tel. 01361 882929 Fax. 01361 884040

Rainwater Harvesting Resources
By collecting rainwater and using it for flushing toilets, garden irrigation, and other non-drinking uses you can save a lot of money and save water. Flushing Toilets with Rainwater If you would just like to set up a simple system to flush toilets with rainwater the please …

Flood and Drain Irrigation System Controller
We often receive requests for controllers for DIY hydroponic flood and drain irrigation systems, so in this article we will briefly introduce the flood and drain concept and explain how we put together controllers to manage the system. In flood and drain systems collections of pots …

2 Way Bath Waste Greywater Recycling
Along with toilet flushing, baths and showers are responsible for the majority of domestic water usage. In every home gallons and gallons of potable water are washed straight down the drain and effectively wasted. In our articles Watergreen Syphon Pump and WaterTwo we looked at …

Interflush WC Water Saving Device
In our article Save Water When Flushing Toilet we looked at how cistern displacement devices such as Hippo and Save a Flush can be used to reduce the amount of water used when flushing the toilet. With up to 10 litres of treated drinking water …