Tub,Drawer,Lower Ref SVCE (700BR-3,700TR-3,427R-2)
427R/TR-3 Use From Serial #3100000 to #3156578.
          Prior to Serial #3100000 See 7017523.
          Starting With #3156578 See 7019748.
 700BR-3  Use From Serial #3100000 To #3171298.
          Prior to Serial #3100000 See 7017523.
          Starting With #3171298 See 7019748.