WRAS created 18 typical dual flush designs and asked 2,000 people to identify the short flush buttons. This study focused on buttons, but there are other ways to operate flushes, such as levers and infra-red. By choosing a smaller flush over a longer one, around two litres of water are saved on every flush.

WRAS product approval has been granted for all three variations of Cistermiser’s EasyflushEVO flushing valve: EVO 1.5”, EVO 2” and EVO CISTERN – the complete flushing cistern kit, which includes an EasyflushEVO flushing valve, a fill valve and a concealed cistern with a 1.5” flush pipe outlet and flush cone. Marking: The cap of the syphon has Cascade + and Thomas Dudley Ltd or Cronex (Cronex is a brand name of Cronexrabo which is a subsidiary company of Thomas Dudley Limited) moulded into it.

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Hughes continued: “There are some good designs out there too, with manufacturers playing their part in helping people save water. 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. Even the best designs were not 100% understandable. Every single one of the designs presented in the study confused at least some of the people who took part. The WRAS study showed that people up and down the country are unconsciously wasting precious water at a time when conservation should be on the top of everyone’s agenda. 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.” 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.

ii) in any building not being a house where a minimum flow rate of 1.2 litres per second cannot be achieved at the appliance 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.When installed in combination with a WC cistern and pan, further performance tests will be required. Button designs are more effective if they have clear permanent markings to help people identify the short flush.

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.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. An overflow: If the float valve malfunctions, the overflow directs excess water from the cistern into the toilet bowl to avoid flooding the floor. 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. Chaozhou Htd Plastic Electronic Co., Ltd. offers premium quality Wras Toilet Repair Kit Watermark Dual Flush Valve for B2B importers and distributors worldwide. 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.

This latest accreditation is a further accolade for EasyflushEVO, which recently achieved Kiwa UK Regulation 4 status.

Fixing a toilet flush

Chaozhou Htd Plastic Electronic Co., Ltd. offers flexible prices for Flush Valves variations depending on the importing country and quantity. 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. Easyflush Direct’ range of WC flush valves. Flow is controlled via solenoid valve which is actuated via an infrared sensor. 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.