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Originally Posted by cmittle
I believe this method of producing a #2 sized flush is still flawed in the case of the fairer sex.
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You're right - the noise would startle them. Easy workaround is to add an "EcoFlush" label to briefly describe the operation of the mechanism. Or slow down the water flow to keep it quiet.
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Replace the chain from the flush handle to the ball ****, with a rod.
You now have the ability to lift UP on the handle to limit the flush cycle
to any thing you desire.
Also helps greatly to aleviate stress when there is a "backup"
as you can stop the flow right now.
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Good idea, and it can be combined with some other ideas. Those unaware of this feature will not use it, however. My idea works completely automatically.
If you're using a pump to fill the toilet, it's even easier to integrate the controls. Replace the existing fill valve with a piece of pipe to just above the water level (cheaper, more reliable, and less pressure drop than a check valve) and add some sort of sensor to sense the water level. Then add a weight sensor to sense weight. (Or maybe a switch that activates only when the seat is down and the lid is up?) Design the controller to only fill to a low level until the weight sensor is activated, at which point the pump starts back up to continue filling. In addition to saving a rather limited supply of used water, it also saves energy used to pump the water. (Proper circuit design can ensure the controller standby losses are negligible.)