if this does not work for concealed sprinklers is there any on market you endorse for concealed shut off tool?

Not that I am aware of, but if you can't find anything on Amazon, I would bring a picture of this device to a fire safety supply store and ask, they may be able to point you in the right direction.

Can the stopper be switch to the other side so that it can be used on an upward facing sprinkler head?

The simple answer is No, but the longer answer is Maybe. No because the other side does not have a threaded hole for you to be able to switch the rubber stopper to the other side. Maybe, because the other side does have a hole, however. It is not threaded. But, you could create your own stopper by securing a circular rubber grommet or even a rubber furniture foot via a short nut and bolt, through the hole. So, with some experimenting you could make it work. I would test it and adjust before relying on it though. Hopefully this helps.

My sprinkler head has a red tub going through the center of it. I'm assuming this has to be broke to stop the water from coming out?

That's correct. Typically that piece will have to break to cause water to begin coming out in the first place. Then you use this tool to stop it. Hope this helps.

I believe in the USA, I haven't had to use it but I have been dispatched to emergency repairs at facilities where the fire department had used it twice to plug a popped head in a sauna. Tool worked well.

Manufacturer	ARGCO
Item model number	FSSV
Product Dimensions	17.78 x 2.54 x 5.08 cm; 181.44 g
ASIN	B006O1VRY2

火災スプリンクラーシャットオフツール - クイックストップファイヤースプリンクラーヘッドレンチ - 緊急用スプリンクラーヘッドレンチ

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