Drain Trough, SVCE (611,632,690, 632-2,695-2)
  611     Starting With #1810000 See 0212630.
          Prior to Serial #1810000 See 7016952.
632/632-2 Use Starting with Serial #1810000.
          Prior to Serial #1810000 See 7016118.
  690     Use Starting with Serial #1810000.
          Prior to Serial #1810000 See 7016118.
  695-2   Use Regardless of Serial Number.