Coupling is copper to copper with stop. Complete with a sweat/solder fitting.
1/2" CPVC BOILER DRAIN$6.79
3/4X3/4X1/2"T CPVC$1.49
3/8 FLARE X 1/2 FIP ADPT.Call for Price
CPLG, W/STOP CXC 3/8"$0.99