Soldered connections in many cases are marked by discolored pipe and fitting. There will be described as a sleek finish to the fitting wherever it connects for the pipe and silver solder across the joint. This valve is often replaced using a solder-variety, compression-type or press-to-join kind stop valve. homedepot.com https://henryw863loq3.ssnblog.com/29802251/how-much-you-need-to-expect-you-ll-pay-for-a-good-ball-valve-angle-stops