- Available for 3 in or 4 in sch 40 DWV lines
- Valves can be adapted for standard, shallow-D or deep-bury installation
- Modular valve design allow for interchangeable accessories, less inventory
- Structurally rugged and molded from engineered resins to stands up to job site abuse
- The unique flapper create a tighten seal than other backwater valves
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