Norwesco 20″ Septic Tank Lid w/ Gasket
Upgrade your septic system with this 20-inch Norwesco domed tank lid, engineered for a secure, watertight fit. The built-in gasket ensures a reliable seal, while the domed design efficiently channels rainwater away—minimizing surface water intrusion and extending the life of your tank. Built from heavy-duty polyethylene, this lid resists UV damage and stands up to harsh conditions, making it ideal for both residential and light commercial applications.
Designed to fit standard Norwesco manhole openings, this lid integrates seamlessly with Norwesco extensions and risers, ensuring a clean, flush installation. Whether replacing an old lid or upgrading your system, this durable solution delivers peace of mind with its weather-resistant construction and leak-proof performance.
| Diameter | 20″ |
|---|---|
| Material | Heavy-duty polyethylene (UV-resistant) |
| Compatibility | Norwesco manhole openings, extensions, and risers |
| Design | Domed (sheds rainwater) |
| Sealing | Built-in gasket for watertight fit |
| Load Capacity | Heavy-duty construction for foot traffic and equipment |
