The award winning Mainline Fullport Valve provides automatic sewer backup protection, protecting the home and adding peace of mind for the owner.
- Automatic sewer backup protection for the life of the home
- Gate closes automatically when sewer starts to backup
- Clear Top for easy visual inspection
- Fullport (Normally-open) Non-Flow Restricting
- No problems with blockages
- Cleaning-rod does not destroy the gate when feeding or retrieving cable
- Normally-open design allows the free circulation of air throughout the plumbing system to the municipal sewer
- Built-in sewer clean-out for the home
- Award-winning technology
