there is a pump accessory that is used to draw water into the unit from a bucket of tempered water, when the unit is used away from a water source. I'm not sure about a separate heater unit. You will indeed need an adapter to attach either female end of the white water supply hose to a US male faucet thread, as the hose has incompatible European threads. Check B&H or eBay for those, or whoever's handling Jobo service now might have the parts.
Attaching it to your laundry room sink won't work well, unless you can precisely control the water temp coming from the faucet. You really need a temp-controlled water supply to work properly. There are some differences here between the -1000 and the -1500, which escape me now, so check the instructions or Jobo's website for specifics, but at least on the -1500 the machine does heat the developer solutions (it measures temps off bottle 1 in the unit) to either 24Cor 38C and then commences the development cycle. The rinse water temps are controlled by the temp of the water coming in.
Best solution is to use a water mixing unit that mixes and fliters the water. Mine is made by Jobo of Delta and other components, mounted on a board. I bought it used on eBay (as I did the ATL-1500 I use.)
I have my board attached by washing machine hoses to ordinary garden-hose male taps plumbed off my basement hot and cold water lines, valve-controlled where they branch from the mains so I can shut it all off. There is a cylindrical Delta water filter at both hot and cold inlets, leading into the temp mixing valve which maintains the now-filtered water at the desired temp by varying automatically the flows of hot and cold as needed. Downstream of the mixing valve are two faucet-type outlets, one of which is connected to the Jobo processor and one which is for other uses. This is the faucet to which you connect the near end of the white water supply hose; the other goes to the processor. All of these components are on the board; the board connects by hoses to its water supplies and to the devices it feeds, so it's completely modular and portable.
The whole setup is spectacular and takes nearly all of the drudgery out of film development, and ensures consistent, repeatable results which is absolutely essential if you are going to accomplish much fine work with film photography. I've used it for B&W, C-41, and E-6 with comparably excellent results in all, but I mostly do just B&W now since my color volume was so low my chems all spoiled before I could use them.
There are those who decry continuous-agitation development, and it is not suitable for every film and developer combination; and of course is useless for stand or semi-stand development. I've never had much use for those techniques anyway, and find I can do 995 of what I need by varying developer dilution and development times. I use Xtol, Mytol (a homebrewed Xtol variant), and PC-TEA (another homebrewed Xtol cousin) for nearly everything I do, with the best results by far I've ever obtained--this after decades of hand development in small inversion tanks. what a hassle.
A few tips I've found helpful: use a pre-rinse of 3-5 minutes, which the Jobo's B&W dev cycles are pre-programmed to use. It's controversial, but Jobo recommends it even if some film mfrs don't, and i think it makes for more even development. Using this regimen, start with the recommended 75F/24C dev times for the film and dev you choose, and subtract about 15% from the recommended time for starters, for an average-contrast roll of film. I've done Tri-X, for instance, for as little as 3.5 min this way without any problem--a place where I think a pre-rinse helps. it won't take long to fine-tune your times; since the Jobo controls all the other variables, you can worry only about the time.
I'd also recommend using an alkaline fixer such as The Formulary's TF-4, which does not require hypo clear to wash out archivally. Keep things simple. Of course you'll be using the chems one-shot anyway, which is my other recommendation.
Can't recommend this setup highly enough.