- Must provide a stable base, and installation using flexible couplers is recommended.
- Valves are not pressure rated.
- Valves are intended for gravity flow: Low pressure and some seepage may occur.
- Full flow for drainage.
- Constructed of rugged PVC.
- SDR35 PVC stubs.
- Clean outs available. Threaded access seals hand tight and allows easy maintenance and inspection.
These check valves are also available in 12", 15", 18" and 24".  Call 800-243-7473 for pricing and a freight quote.