Hell no, let's see...
- essentially double trapped
- connected with a hose
- connected to a plastic sink trap, which as Jerry stated most likely won't handle the pressure
- then of course there's the temperature issue, imagine how hot (+/- 180 degrees) that water is going to be
- since that release is going to be under a lot of pressure it is unlikely it will confine itself to going down the drain; I wouldn't be at all surprised to see a geyser shoot up out of the sink

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Markus Keller