It is a great product, but you do need to pay attention to how to the pressure limits and location of the ball. If you put it too far out, it won't able to block the pipe. If you put it too far in, then when you try to release the water it will not let them go behind it. I found that if I put it all the way inside the flow check and then pull back out 1/2" works for me. You also need to be careful when release the air, to do it slowly and wait until all the water goes down the pipe before full deflate it.
Verified purchase: Yes | Condition: New
I was a steamfitter for 37 years before I retired, and I have used various sizes of this product a couple thousand times. They are reliable to say the very least, and the price is right.
Verified purchase: Yes | Condition: New
We were sent two items and neither one of them or any good they were supposed to be new.they are used and have holes. One had no chain
Verified purchase: Yes | Condition: Pre-owned
Worked great for flood testing my new shower install.
Verified purchase: Yes | Condition: New
Works like it should
Verified purchase: Yes | Condition: New
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