Coupling is copper to copper with stop. Complete with a sweat/solder fitting.
16826 TEE 3/4X3/4X1/2$5.89
B95340TCP-2 DRN,TUB T-TOE TAP$34.99
1X3/4 PUSH COUPLING$19.49
CPLG,W/STOP CXC 3/4"$1.39