![\"IMG_20160702_095225\"](\"https:\/\/www.summet.com\/blog\/wp-content\/uploads\/2016\/07\/IMG_20160702_095225.jpg\")
<\/a><\/p>\nFollow along with me from left to right: \u00a0 we start with a 1-1\/2″ to 1-1\/4″ drain and trap connector,<\/a> which is required to connect to the steel drain pipe. But then things go downhill, as we have a 1-1\/4″ to 1-1\/2″ adapter, a 1-1\/2″ (kitchen sink) P-Trap, followed by a 1 1\/2″ to 1 1\/4″ adapter to connect to the bathroom sink drain.<\/p>\n I’d like to think that somebody decided they really wanted a larger P-Trap on the master bath sink…but I suspect that the plumber only had a kitchen sink P-Trap in his truck and didn’t want to make a special trip<\/p>\n Since I needed to change the length I went ahead and used 1-1\/4″ throughout. I think it looks a bit nicer. (I also sealed the hole into the wall with expanding foam while I was under the sink.)<\/p>\n Repeat after me: 1-1\/2″ for kitchen sinks, 1-1\/4″ for bathroom sinks. Or, you could construct an adapter like this…. Follow along with me from left to right: \u00a0 we start with a 1-1\/2″ to 1-1\/4″ drain and trap connector, which … Continue reading <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"