Don't forget to check prices WITH shipping!
Like you said, looks like the third one is the cheapest, and it comes pre-drilled for your hardware!
You can go to Booby M's site and get the hardware for it:
http://brewhardware.com/conversionkits/162-potkitbk
Since you say you heat up the water to use it at the proper cleaning temperature, I looked on the specs to see if it listed any operating temperatures.
I didn't see anything until I got to the troubleshooting section of the owners manual.
It mentions that if the temperature is over 77...
I can't tell by the picture, but here is something to consider if you haven't!
I would make sure that the drain in the drip tray can flow enough, that incase one of the taps got left open long enough, it would not overflow!
It looks like it is the same size tubing as what is going to your...
If you decide to go this router, check out this thread:
My Weldless Build With 1 5/8" Strut
That thread has information using non-solid strut, but it would be the same as this thread!
Here is a lot of detailed information:
Water Filter Setup
That one has parts for more "outside" use because it is to hook up to an outside faucet, but with a few part mods, you can use it to hook up to your inside sink!
That one looks like it DOES NOT have metal connections for the hose!
The one that the o.p. listed the parts for does!
It may not matter as much if you have it constantly connected, but it you don't, you want that metal connection for stability.
There is a person on here that actually will build the strand stands to your order, or you can have him customer order one for you from his website here:
Strut Stands
He also started a thread on here:
My Weldless Build With 1 5/8" Strut
I actually just ordered a stand from him that...
Here is the non-mobile link:
3 Burner Cooker
Does look pretty good, but doesn't show what the burners look like!
This would be great for someone to start out with on the cheap!
I would assume you could upgrade the burners at some point if you wanted better burners with higher BTU's!