DOT 406 Manhole (2141) 20″


Product Description


Heavy duty, full opening manhole designed to exceed all DOT regulations for 406 series man-holes.  Rated at 36 psig with optional vapor recovery (shown in drawing below), “Smart Vent” * and other cover openings available. Unique collar/ cover combination allows secure connection for new installation or easy retrofit to existing collar.  Heavy duty aluminum cover and collar with Buna-N gaskets as standard materials. Other gasket materials available. See separate product listings for vapor recovery.

** * Refers to #2100 “Smart Vent”
** Refers to #2135 Vapor Recovery Vent

Download Specs Sheet

Additional Information


Cover Assembly, Vapor Recovery


DOT 406 Manhole (2141)

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SKU: 2141-03. Categories: , .