On May 13, 11:30*am, Philip5malin wrote:
I am trying to connect a washer. The washer has hot water hose and
cold water hose and a drain. The wall has a hot water faucet, cold
water faucet, drain, and an additional copper pipe 1/2 *with no
faucet. *What is that additional pipe for? What do I need to do with
it?

If the additional pipe is connected to a supply pipe , it is an anti-
hammer feature. YOu need to tell us what the additional pipe is
connected to.