Yes, silly me of course it will fit. For some reason I was thinking that there was only one hole but you are right, there is 3. I like the idea of having one less step on set up/take down with the faucet you chose.
I had to replace my faucet after my first trip in my HW27ks. I foolishly lit the water heater without clearing the air lock in the tank. When I turned the hot tap on, the pressure blew the neck of the tap off and messed up the fittings, also messed up my underwear!!!
I replaced it with the same kind, that you have to take apart to pop down, but one with swing handles not twist (I seem to be dumping lots of water behind the faucet when turning the twist type off)
I'd love to see your finished project. Here's the faucet I went with -