Leading the Way Since 1892
OPW one-piece polyethylene tank sumps are listed with Underwriters Laboratories, Inc., (UL), and have passed the requirements for Canada at Underwriters Laboratories of Canada (ULC), KIWA and IP.
Polyethylene Tank Sumps with Compression Fit Covers
Poly Tank Sump
Features & Benefits
A one-piece polyethylene containment sump designed for standard tank burial depths between 24" and 44". Available in sizes to install under 36" and 42" diameter street manholes. (MBS-3645H)