This article was updated Jan. 17, 2023. It was originally published Oct. 21, 2004. Using the correct thread is critical for proper mating and replacing hydraulic fittings. First and foremost, it is a ...

Bit of a long shot this one, but here goes. We've got some pop-up sprinklers on three separate lines that until now have been going to a 3-way manifold and we manually turn the water on and switch ...