Description

Releases waste to outside of buildings in the event of sewer line blockage, preventing costly damage due to sewage backflow or overflow | Applicable in residential, commercial, or industrial settings – Any structure connected to sewer lines or septic tanks | Patent #4,475,571 | Meets ASTM specifications | Automatic unlock and re-lock | Vandal- resistant | Safe in yard or high traffic areas | Solvent welds over 4 in schedule 40 DWV pipe | Removable lid provides full access to cleanout | May be used to replace existing exterior cleanouts