â¢Grooved plumbing allows for easy disassemling and reassembling of pipe and valvesâ¢Groove x weld Tee 8" Groove x Groove x Weld Sch10 Stainless Steelâ¢Groove x weld Tee Sch10 SS316â¢Weld x Groove Tee Sch10 Stainless Steelâ¢Weld x Groove Tee Sch10 SS316â¢Groove x weld Tee 8" Groove x Groove x Weld Sch10 SS316.