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Gents Toilet Flush Arrangement

AncientMariner
With my Village Hall hat on, "How often should the Urinal in a Gents Toilet flush?


Originally the cistern was filled by a trickling tap, then I fitted a Cistermiser, which certainly saved water, but eventually the battery contacts corroded away. I fitted an external battery box and found that the valve failed to close. So need a new device.


The options seem to be:-


a) A trickling tap.


b) Another passive IR device.  https://www.gentworks.co.uk/cistermiser-irc-sensor-with-ceiling-kit.html


c) An electronic timer with Bi-Stable valve (as also used with passive IR devices). https://www.gentworks.co.uk/cistermiser-irc-sensor-with-ceiling-kit.html


d) A non-electronic valve which reacts to pressure drop due to taps, wc cisterns etc - https://www.gentworks.co.uk/cistermiser-irc-sensor-with-ceiling-kit.html


But the other question is, "How often should the cistern flush?"  Just once a day is 300 litres per month or 3,650 litres per year etc. 


Thanks

Clive
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  • Former Community Member
    0 Former Community Member

    AncientMariner:

    But the other question is, "How often should the cistern flush?"  Just once a day is 300 litres per month or 3,650 litres per year etc. 


     




     

     Water Regulations state that urinals should use no more than 7.5 litres per urinal bowl for a cistern serving two or more urinals (10 litres per urinal bowl for a cistern serving a single urinal) per hour.


    Obviously if they are little used, you can flush them with a variety of devices - proximity sensor, non contact manual trigger with an hourly flush or even a temperature probe clipped to the outlet


    Have you looked at waterless urinals ?


    Regards


    OMS
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  • Former Community Member
    0 Former Community Member

    AncientMariner:

    But the other question is, "How often should the cistern flush?"  Just once a day is 300 litres per month or 3,650 litres per year etc. 


     




     

     Water Regulations state that urinals should use no more than 7.5 litres per urinal bowl for a cistern serving two or more urinals (10 litres per urinal bowl for a cistern serving a single urinal) per hour.


    Obviously if they are little used, you can flush them with a variety of devices - proximity sensor, non contact manual trigger with an hourly flush or even a temperature probe clipped to the outlet


    Have you looked at waterless urinals ?


    Regards


    OMS
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