I installed a fitting underneath my anchor pulpit - so it is out of the way and very near where I need it. Of course you can always add a T to the line for another outlet. I also have a fresh water outlet at this location but I hated using precious fresh water to wash the anchor chain. With a raw water washdown I can use as much water as I need. BTW - for anchor washdown you can never have too much pressure or volume. Get the biggest pump you can. The pump I installed is 65PSI and 6GPM and its almost enough.
Ken