Elbow is copper to copper. Complete with a sweat/solder fitting.
1/8MIP X 1/8MIP SHUTOFF VALVECall for Price
CONN. FAUCET 20" 3/8" BY 3/8"$8.99
102-704 DRAIN,BOILER 3/4"M PIPE$12.29
4X4 COUPLING,ADAPT$8.99