Retrofit sump seal, ball valve. The sump model JS-5 Dranger is designed to be used as a part of the cover for a basement sump.
With a Dranjer in place, the sump can be sealed , while still allowing the sump to function normally. In the event of a water line break , water can still flow across the floor into the sump, while the Dranjer acts to seal out radon and soil gases, insects and mold spores.
Radon Testing (1)
