What is Union Pipe Fitting?
It's a fitting use to unite two-pipe and allowing you for future maintenance and easy removal for pipe replacement.
When do you need Union fittings?
1: When you install long pipes it's better to put union fittings. In-case you need to replace the pipe in the future due to corrosion and leaks you will have easy access to rotate the pipe.
2: You can add union fitting before and after the elbow. If you are using dirty water. Pipes can easily be blocked. If you add a union you can easily remove the pipe and perform maintenance.
You can buy a union in different materials.
1: PVC union
2: Brass Union
3: Stainless Union
4: Galvanize Iron Union
A friendly reminder as always wear a piece of protective equipment and use tool and chemical away from children reach and always be positive stay safe, God Bless.