Dual Flush mansfield, gerber or toto?

hello, I would like to install a dual flush toilet but I am a toss up between the Toto Aquia,l Mansfield EcoQuantum and Gerber Ultra Dual flush. How does bowl wash compare between the three? Sound comparision between the three? What are the difference between the Aquia 1,2 & 3? Or would i be better off going with a toto ecodrake?

I"m getting 40% returns on the WDI EcoFlush dual flush that goes in the Gerber.
They flush well when working and noise levels are fine.

The Mansfield EcoQuantum also has the WDI EcoFlush dual flush, so I would expect it to have the same problem.

I get less then 1% returns on the Aquia.
Noise levels are fine and customer satisfaction is good.

Terry - what have you noticed is going on with the gerber dual flush toilets that you have a 40%+ return rate?

what have you noticed is going on with the Gerber dual flush toilets that you have a 40%+ return rate?

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The tank flush lever quits operating the two separate flushes, making it a single flush.

In the first 1.5 years now, it's up to 50% returns for the EcoFlush by WDI Technology.

I believe all pressure assist dual flush on the market use the EcoFlush.
I need to get around to returning my remaining stock.
Way too much time is being spent on returns for that product.