WATTS LF709 Series Double Check Valve Backflow Preventer Assemblies
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| Style | Model | Max. Working Pressure | Hazard Protection Level | Protection Type | Outlet Size | Min. Temp. | Inlet Connection Size | Connection Size-side 1 | Connection Size-side 2 | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | LF709-NRS | - | Low Health Hazard | Back Pressure, Back Siphonage | - | - | - | 2 1/2" | 2 1/2" | €8,589.68 | |
| B | LF709-OSY | - | Low Health Hazard | Back Pressure, Back Siphonage | - | - | - | 8" | 8" | €33,194.35 | |
| C | LF709-OSY 2 1/2 | 12.1 Bar | Non Health Hazard | Backpressure, Back Siphonage | 2 1/2" | 0.5°C | - | - | - | €5,925.33 | RFQ
|
| C | LF709-OSY 3 | 12.1 Bar | - | Backpressure, Back Siphonage | 3" | 0.5°C | - | - | - | €6,507.11 | RFQ
|
| D | LF709-OSY 4 | 12.1 Bar | Non Health Hazard | Backpressure, Back Siphonage | 4" | 0.5°C | - | - | - | €6,904.76 | RFQ
|
| D | LF709-OSY 6 | 175 psi | Non Health Hazard | Backpressure, Back Siphonage | 6" | 33°F | 6" | - | - | €11,395.79 | RFQ
|
| D | LF709-OSY 10 | 175 psi | Non Health Hazard | - | 10" | 33°F | - | - | - | €31,345.42 | RFQ
|
| D | LF709-OSY 8 | 175 psi | Non Health Hazard | Backpressure, Back Siphonage | 8" | 33°F | 8" | - | - | €24,272.36 | RFQ
|
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