- Backflow Preventer for Residential Fire Sprinkler Systems
- Prevents backflow by either backpressure or back siphonage cross-connection between potable water lines and substances
- Apollo 4N Series
- cUL approved, CSA approved
- 6” overall length
- Complies with NFPA 13D
| Part# | Size |
|---|---|
| 8050100R | 1” |
| 8050114R | 1-1/4” |
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