Sorry the image is so big I dont know how to scale it down. The orange tube is what I was referring to. There is a threaded outlet (I think its a #6-32)on the torch connection fitting that has a hose barb threaded into it and then the hose goes back into the top of the tank. This is on the water out (Cool water supply to torch) fitting. I can make one for my new connections I just wanted to know if it was an absolutely necessary piece and what it was used for.
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