Hi folks, a quick question. Today I just saw a lavatory cistern that had a strange flushing mechanism (well it was strange to me anyway, I hadn't seen one before). There was push button to flush the toilet, and I had a peep at it as far as I could, and saw it had a sort of plastic tube that connected to the flushing mechanism somehow. It seems as if pushing the button would just push some air down the tube and start the flush. Any idea how this works?
I wasn't able to see inside the cistern, but I wonder if this type of flushing mechanism is reliable, i.e. do they experience any particular problems compared to the "traditional" syphon flush?
I'm interested because I hope soon to do up our bathroom so I will be looking to replace everything, including the lavatory cistern etc. and I'd be interested in this type of flush if they're any good.
Any experience or advice on this type of flush, vs. the "traditional" type, would be welcome.
TIA
Flummoxed