Review on Joywayus Female Backflow Preventer Thread by Antoine Cash
The internal threads are too short. Male threads sink and will not seal causing leakage
Female thread is too short. The male thread goes down and does not seal, causing leakage. When I received the check valves I noticed that they are shorter than usual. I couldn't tighten the 1/2 brass nipples enough to seal properly. The threads are gone. The valve leaked every time.
- This valve has a brass body with a stainless steel spring for durability
- No instructions
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