Rheem AP10374 Compression Fitting Connector with 3/4" NPT and 3/4" Tube, Small For best results, use only Rheem replacement parts for repairing your Rheem Water Heater Material: Brass, Fitting 1 Type: Compression, Fitting 1 Size -Plumbing Size (in.): 3/4 Kits which contain this part: RP10374, RP20010, RP20011, RP20013, RP200136PK, RP20016, RP2001612PK Fitting 2 Type: Pipe thread - Male, Fitting 2 Size NPT (in.): 3/4 More Kits that include this part: SP10374, SP20010, SP20011, UV10374, UV20012, UV20013, UV20014, UV20015, UV20016, UV2001612PK, UV20017