Coupling is copper to copper with stop. Complete with a sweat/solder fitting.
1/2 X 3/8 ANGLE STOP SHRK BITE$15.99
3/4X3/4X1/2"T CPVC$1.49
1" FIP PUSH ADAPTER$16.99
CPLG, W/STOP CXC 3/8"$0.99