Model PTS-4021 Transition Sump (2 Piece - Polyethylene Sump/Polyethylene Top)
- Non-corroding, polyethylene sump container
- Weatherproof lockable cover
- Exterior anchoring system
AST Application: Provides secondary containment and accessibility to the fittings that connect the underground supply piping to the rigid supply piping that leads from an above ground storage tank.
Vent Stack Application: Transition sump is used for containment and accessibility to the fittings at the vent stack, located where the underground vent piping connects to the rigid vent stack piping.