TCS4025F-SP Dixon StandPipe Cast Brass Straight Triple Clapper Siamese Connection - Back Outlet - 4" Female NPT Outlet x Three 2-1/2" Female NST(NH) InletsFeatures: Maximum operating pressure: 175 PSI at 70F (21C) Size A B C 4" x 2 1 2" x 2 1 2" x 2 1 2" 13 3 4" 10 1 2" 5" 6" x 2 1 2" x 2 1 2" x 2 1 2" 13 3 4" 10 1 2" 7 1 2" Part Number Branding Outlet Inlets Weight (Lbs.) TCS4025F AutoSprinkler 4" Female NPT 2 1 2" Female NST (NH) 2 1 2" Female NST (NH) 2 1 2" Female NST (NH) 23. 0000 TCS4025F SP StandPipe 4" Female NPT 2 1 2" Female NST (NH) 2 1 2" Female NST (NH) 2 1 2" Female NST (NH) 21. 7000