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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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  • 0
    The cistern serves two urinals, so my guestimate of 10 litres seems about right.

    There is something about waterless that I am not keen on. So won't go there.

    The IR options seem ideal, but with the last one not so easy to set up, ended up playing peek a boo, to check if it was sensing. That's why the straightforward timer version sounds easier to set up.  The water pressure monitoring valve type could be good, but am concerned that the house next door on the same water supply pipe may cause excessive triggering.  Hence my question as to how many times per day it needs to actually flush.

    Clive

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  • 0
    The cistern serves two urinals, so my guestimate of 10 litres seems about right.

    There is something about waterless that I am not keen on. So won't go there.

    The IR options seem ideal, but with the last one not so easy to set up, ended up playing peek a boo, to check if it was sensing. That's why the straightforward timer version sounds easier to set up.  The water pressure monitoring valve type could be good, but am concerned that the house next door on the same water supply pipe may cause excessive triggering.  Hence my question as to how many times per day it needs to actually flush.

    Clive

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