Where do i writ an oven stopcock for my Hillerange propane stove/oven? it's the stove/oven on my sailing yacht and i'm supposed to order...

it's the stove/oven on my sailing yacht and i'm supposed to order a new stopcock for it... any help is appreciated ^____^
Green Pool after adding up Shock?
Answers:    Actuallly John, you're most likely going to own to contact someone at a large marina, that services sail boats. There should be someone around at hand that has a connection to the company that made that section. It's not a convential domestic range, of course, so the common channels probably won't be much help. Just be sure to enjoy the make and model number ready when you find them.
Not ample hot river?
You can check at this site -
http://appliancequickfix.com/PARTS.html