104 Series Cast Iron Manholes

Heavily ribbed cast iron covers and body rings ensure maximum load bearing capacity on cast iron manholes and fill boxes. These manholes are ideal for connecting underground tank lines directly to the surface without sump enclosures. A variety of features available on cast iron manholes and fill boxes make them the perfect choice for many applications.

Download the 104 Series Cast Iron Manhole Catalog Page

104A

104A

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  • Features
  • Ordering Specifications
  • Replacement Parts
  • Downloads

Features

OPW 104A Cast Iron Manhole

A sturdy steel skirt on the standard 104A extends nearly a foot below grade to ensure trouble-free installation in deep concrete, and optional skirts that extend a full 19-1/4" below grade are available in 12" and 18" diameters for sandy soil locations.

OPW 104FG Cast Iron Manhole

The 104FG provides a convenient finger grip feature on the cover to facilitate cover removal.


  • Full-size internal diameters for maximum access and working area
  • Highway 20 Rated (H20) - All OPW spill containers and manholes exceed the requirements of the Highway 20 rating.
  • Rugged cast iron covers and body rings 
  • Cast-in non-skid finish on covers
  • Sturdy, extra long steel skirts
  • Individually boxed for ease of handling

Materials

  • Body ring: Cast iron
  • Cover: Cast iron
  • Skirt: Galvanized steel

Ordering Specifications

Product # ID (in.) ID (mm) lbs. kg
104A-0800 8 203 15 6.8
104A-0800WT 8 203 15 6.8
104A-1200 12 305 28 12.7
104A-1200WT 12 305 33 15
104A-1219 12 305 33 15
104FG-1200* 12 305 28 12.7
104FG-1219* 12 305 33 15
104A-1800 18 457 50 22.7
104A-1800WT 18 457 50 22.7
104A-1819 18 457 57 25.9
104A-1819WT 18 457 57 25.9
104A-12WT 12 305 28 12.7

* Finger Grip Cover Manhole

Dimensions

Product # A B C
in cm in cm in cm
104A-0800 8 20.3 10-1/8 25.7 11-1/4 28.6
104A/FG-1200 12 30.5 14-1/4 36.2 11-1/4 28.6
104A/FG-1219 12 30.5 14-1/4 36.2 19-1/4 48.9
104A-1800 18 45.7 20-1/8 51.1 11-1/4 28.6
104A-1819 18 45.7 20-1/8 51.1 19-1/4 48.9

Replacement Parts

Part # Description
E00508M Cover for 8" 104A-0800
E00510M Cover for 12" 104A-1200
E00584M Cover for 12" 104FG-1200
E00512M Cover for 18" 104A-1800
DO1747M Cover for 20" 104C-2000

Obsolete Bucket Replacement Lid Cover O.D.
104A-1022 C00115M 8.44"
104A-1066 D00173M 13.125"
104AC-1586 D00173I 13.125"