WATTS® Backflow Preventer, Inline Pattern, Series: LF909-FS Large, 4 in Nominal, Flanged, 175 psi, 33 to 110 deg F, Non-Rising Stem Resilient Seated Gate Valve Ball Valve/Gate Valve, Reduced Pressure Zone Backflow, Media: Potable Water, Cast Iron Body, Epoxy Coated, 55-5/16 in L Dimensions, Domestic
- Alert features available with add-on sensor connection kit
- Non-rising stem resilient seated gate valves
- Reduced pressure zone assembly
- Features an integrated flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve
- Utilizes advanced ArmorTek coating technology to resist corrosion of internals
- Unique patented air-in and water-out design provides high capacity relief valve discharge performance during emergency conditions
| End Style | Flanged |
|---|---|
| Temperature Rating | 33 to 110 deg F |
| Domestic/Import | Domestic |
| Ball Valve/Gate Valve Type | Non-Rising Stem Resilient Seated Gate Valve |
| Media | Potable Water |
| Finish | Epoxy Coated |
| Dimensions | 55-5/16 in L |
| Pressure Rating | 175 psi |
| Nominal Size | 4 in |
| Type | Inline Pattern |
| Backflow Type | Reduced Pressure Zone |
| Series | LF909-FS Large |
| Body Material | Cast Iron |
| Brand | Watts |
