Safety valve shooting out water when pump is running

[bslater]

My parents just left town this morning, I was going to use the hot tub, I turned it on to let it heat up, the next thing I know, it's half empty. I walked around to look at the equipment and a black valve type piece that comes out of the pipe below the chlorine tablet holder was shooting out water. I turned the pump off but the water is still pouring out and I suppose will continue to until the hot tub is empty. The piece looks fine on the outside, not broken so I'm not sure what it does exactly. What should I do?

[Backglass]

You call it a "safety valve". Are you sure thats what it is? If so...then perhaps it's doing it's job and something is over pressurized and/or overheating.

Without a picture or something it's just a guess but I would say that your "black valve type piece" is now broken and you need a new "black valve type piece". Can you remove it and take it with you to a spa store?