Replacement Cover Reference Sheet Replacement Cover Part Number Product Number OD P211-L P111-L P111-WTL New 6111 Series Old (pre 1994) 6111 Series Old 500 Series Multi- Ports 12 ¼” E00508M 104A-0800 9.50” D00173M 104A-1066 104AC-1586 13.125” 1-21CC 1C-2100 CAST IRON 13 27/32" 1-21AC 1-2100 ALUM. 13 27/32" C04158 1SC-2100 500 Series Multiports w/ sealable covers 12 7/16”