The research did highlight which types of button designs were more effective in explaining dual flush options:

Easyflush Direct’ range of WC flush valves. Flow is controlled via solenoid valve which is actuated via an infrared sensor. Dudley Cascade Plus dual flush syphonic flushing apparatus with Polypropylene body and stainless steel link for use with WC flushing cisterns. An overflow: If the float valve malfunctions, the overflow directs excess water from the cistern into the toilet bowl to avoid flooding the floor.Chaozhou Htd Plastic Electronic Co., Ltd. offers premium quality Wras Toilet Repair Kit Watermark Dual Flush Valve for B2B importers and distributors worldwide. Button designs are more effective if they have clear permanent markings to help people identify the short flush (Survey question focused on which button would you press for a short flush) Section Subtitle: WC. Except where specified, flushing valves within this section have only completed a limited number of the performance and endurance tests as stated in the "Regulators Specification for WC suites installed after 1st January 2001". The flush volume of valves within this section have not be verified by test. Range of dual flush, WC outlet valves. CJ305 is operated via a push button assembly or with battery powered infra red sensor. CJ302 is controlled with a push button assembly for either full or reduced flush and both models incorporate an internal overflow. Over half of respondents incorrectly identified the short flush in five out of the 18 designs. In the worst example, 81% of respondents selected the wrong button.

When installed in combination with a WC cistern and pan, further performance tests will be required. A flushing bell, flushing valve or plug: This part is located at the bottom of the cistern and is operated by the flushing control. When it is raised, the water contained in the cistern is free to flush into the toilet bowl. Button designs are more effective if they have clear permanent markings to help people identify the short flush However, our study shows that many of the designs used are confusing and we are calling on toilet manufacturers to make short flush options much more obvious for users.”

Chaozhou Htd Plastic Electronic Co., Ltd.

The SKY030 model may be operated via a push button assembly or a lever for either full or reduced flush. Most people naturally expect a smaller button to mean a smaller flush, but the bigger button needs to be 1 ½ times bigger than the smaller one to achieve around 80%recognition Toilet manufacturers are being urged to rethink the design of some dual flush buttons after new research showed that as many as eight in ten people inadvertently wasting water and flushing money down the drain by pressing the wrong buttons. Each EasyflushEVO can save up to 146,000 litres of water per year. Installing just 25 EasyflushEVO flushing valves could also offset over 1.5 tonnes of carbon annually, as around five to six per cent of UK greenhouse gas emissions derive from our use of water. A flushing valve seat and seal: The bottom part of the flushing bell or plug. The seal forms a watertight barrier between the flushing mechanism and the cistern.

Most people naturally expect a smaller button to mean a smaller flush, but the bigger button needs to be 1½ times bigger than the smaller one to achieve around 80%recognition. WRAS Approvals Manager Ian Hughes said: “Toilets use around 24%of all the water used in a home. Dual flush toilets can help reduce the amount of water that gets wasted and they also save money for people who are on a water meter. Button designs are more effective if they have clear permanent markings to help people identify the short flush. Hughes continued: “There are some good designs out there too, with manufacturers playing their part in helping people save water.Over half of respondents incorrectly identified the short flush in five out of the 18 designs. In the worst example, 80.5% of respondents selected the wrong button. It’s not hard to see why when some designs, like the one shown above, are not very clear.

Dual flush toilets were introduced to help people use less water in their own homes, and in commercial premises. For example, two litres of water are saved every time a smaller flush is used over a larger one.Toilets use around 24 per cent of all the water used in a home. Dual flush toilets can help reduce the amount of water that gets wasted and they also save money for people who are on a water meter. Tradewheel is a Business-to-Business platform that enables international traders dealing in Other Bathroom Parts & Accessories