Norwesco 62408 — Complete Reference
The Norwesco 62408 is a septic tank in black, molded from polypropylene. This is an IAPMO-approved below-grade residential septic tank in the Norwesco catalog.
This page is the complete reference for the 62408: specs, compatible accessories, installation, freight, and warranty. Every number is sourced from the Norwesco 2024 Liquid Storage Catalog.
At-a-Glance
| Manufacturer Part Number | 62408 |
| Brand | Norwesco |
| Product Class | Septic Tank |
| Material | Polypropylene |
| Color | Black |
| Diameter | 20 Inch |
| Length | 20" |
| Shipping Weight | 3 lb |
| Warranty | 3-year limited full-replacement |
| Freight Class | LTL |
Physical Profile
Single-piece rotomolded construction. Wall thickness is specified by the manufacturer in the engineering drawing linked above.
Typical Applications
- Residential septic and wastewater systems where polyethylene is jurisdictionally accepted
- Job-site sanitation holding tanks
- Secondary processing in gravity + pump septic layouts
Installation Checklist
- Install on 6 inches of pea gravel or coarse sand over firm subgrade
- Keep inlet/outlet piping below local frost depth
- Fit risers to grade for inspection and pump-out access (sold separately)
- Fill the tank with water AS you backfill to balance earth pressure on the walls
Shipping & Freight
Freight quoted at checkout. Liftgate available for residential delivery.
Warranty & Certifications
3-year limited full-replacement. Keep your One Source Plastics order confirmation — it's the warranty-claim trigger.
When This Product Is the Wrong Choice
- Storing petroleum or solvents — HDPE permeation is too high for diesel, motor oil, or hydrocarbons
- Used as potable water storage — septic tank resin is not FDA-rated
Cross-Reference
| Supplier | Their SKU |
|---|---|
| One Source Plastics | N-62408 |
| Norwesco | 62408 |
FAQ
Is the Norwesco 62408 in stock?
Stock is split across manufacturer warehouses. We pull current inventory when you add to cart; if regional stock is short you'll see a ship-date estimate before checkout.
How fast does the 62408 ship?
In-stock units typically ship within 3 business days of order confirmation. Out-of-stock units build on a 2-6 week cycle depending on the manufacturer. Call 866-418-1777 for a firm date.
Does the 62408 include fittings?
The base tank ships with the manufacturer's standard fitting package. Upgraded bulkheads, flex connectors, or threaded outlets are separate line items — our team confirms fitment before shipping.
What warranty applies to this tank?
3-year limited full-replacement. Keep your order confirmation — it's the claim trigger.
Is this tank permitted in my state?
IAPMO-approved plastic septic tanks are accepted in most states; a small number require concrete-only. Check with your county health department before ordering.
Questions about fitment, freight, or chemistry?
Our team has the Norwesco catalog in front of them. Call 866-418-1777 or request a quote with MPN 62408 ready.
Related Norwesco Products
Sources: Norwesco 2024 Liquid Storage Catalog. Specs verified against manufacturer-issued engineering drawings. Price and freight subject to change — see current listing above.
