Formula for manifold weight M = 0.215n + 0.35 (kg) n: Station Manifold . Plug-in type: Individual/One-piece junction cover Bottom ported: Formula for manifold weight M = 0.236n + 0.354 (kg) Stations L L1 L2 1 75 84 2 103 112 3 131 140 4 159 168 5 187 196 6 215 224 7 243 252 8 271 280 9 299 308 10 327 336 Formula L1 = 28 x n + 47 L2 = 28 x n + 56 Bottom ported: 2(B), 4(A) port Stations 2(B), 4(A) port With light/surge voltage suppressor 1(P), 3(R2), 5(R1) port Pilot EXH port Electrical entry 2(B), 4(A) port Stations 2(B), 4(A) port With light/surge voltage suppressor 1(P), 3(R2), 5(R1) port Pilot EXH port Electrical entry Plug-in type with terminal block (Individual junction covers): VV5FS2-01T- S t a t i o n 1- Port size VV5FS2-01T- S t a t i o n 2- Port size Plug-in type with terminal block (One-piece junction covers): VV5FS2-01T1- S t a t i o n 1- Port size VV5FS2-01T1- S t a t i o n 2-Port size n: Station U side D side U side D side 1496 Series VFS2000