Split Nut, Waterway, 2", with Screws, Heater : 400-5161

Split Nut, Waterway, 2", with Screws, Heater Heater Union Part Type: Split Nut First Plumbing Connection Size: 2", 2-3/16" First Plumbing Connection Type: Female Buttress Thread (fbt), Large Flange (For Metal Housings) Second Plumbing Connection Size: 2", 2-3/16" Second Plumbing Connection Type: Female Buttress Thread (fbt), Large Flange (For Metal Housings) Replaces 121108020,20-1021,400-5161B,400-5421,50086,5039-029,5039-050,610266,621503,700310C,806105081858,9175-31,RPL1-20-208S,WW4005161B,WW4005421B,WWP-101-5421