You will want to get some 1/2" silicone tubing it is rated up to 500F. It's great stuff, pliable even when room temp and food safe.
Austin Homebrew Supply
Morebeer has it on the same page you linked.
Technically the reinforced vinyl tubing will handle boiling temps, but as you apply pressure has a higher chance of failure. Plus you may leach some chemicals out once it gets hot, whether it will be enough to be unhealthy is debatable.