[Backflow Prevention Support - Helpful Tools and Resources
- Home >
- Backflow Prevention >
- Support >
- Approvals Main >
- L7 Approval Documentation
L7 Approval Documentation
In-Line Testable/Serviceable Dual Check Valves
| Size | Model | ASSE | FM | Lead Free† | UL | ULC | USC |
|---|---|---|---|---|---|---|---|
3/4 |
|
|
|
|
|
|
|
1 |
|
|
|
|
|
|
Suffixes:
OS&Y - Outside Stem & Yoke
NRS - Non-Rising Stem
BFG - UL/FM Gear Operated Groved Butterfly Valve
LF - Specifies Replacement Parts Only
Please Note: Watts literature requires Adobe Acrobat Reader to view.
