WATTS 4000SS-SR-LG 4 0691821 Backflow Preventer Assembly, 4 Inch Nominal Size, 300 Stainless Steel
€5,185.88 /unit
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Product Specifications:
| Item | Backflow Preventer Assembly |
| Cross Reference | 0691821 |
| Inlet Shutoff Valve Type | No Shutoff Valve |
| Inlet Thread Type | Not Applicable |
| Inlet Type | Flanged Joint |
| Lead Free | Yes |
| Max. Temp. | 110°F |
| Max. Working Pressure | 175 psi |
| Meter Type | No Meter |
| Mfr. Series | 4000SS Series |
| Min. Temp. | 33°F |
| Outlet Shutoff Valve Type | No Shutoff Valve |
| Outlet Size | 4" |
| Outlet Thread Type | Not Applicable |
| Outlet Type | Flanged Joint |
| Polymer Coating | No |
| Pressure Operation | Continuous |
| Protection Type | Backpressure, Back Siphonage |
| Strainer | No |
| Technologies | Not Applicable |
Product Variants
| Product | Model | Outlet Size | Body Material | Seat Material | Meter Type | Bypass Size | Inlet Thread Type | Disc Material | Strainer | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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4000SS-F-LG 3 | - | Stainless Steel | - | No Meter | Not Applicable | Not Applicable | Rubber | No | €3,550.73 | RFQ
|
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4000SS-F-NRS 2 1/2 | - | Stainless Steel | - | No Meter | Not Applicable | Not Applicable | Rubber | - | €4,479.91 | RFQ
|
![]() |
4000SS-F-LG 2 1/2 | - | Stainless Steel | - | No Meter | Not Applicable | Not Applicable | Rubber | - | €3,151.70 | RFQ
|
![]() |
4000SS-F-OSY 2 1/2 | - | Stainless Steel | - | No Meter | Not Applicable | Not Applicable | Rubber | - | €4,803.60 | RFQ
|
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4000SS-F-OSY 3 | - | Stainless Steel | - | No Meter | Not Applicable | Not Applicable | Rubber | No | €5,402.13 | RFQ
|
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4000SS-F-LG 4 | - | Stainless Steel | - | No Meter | Not Applicable | Not Applicable | Rubber | No | €5,548.61 | RFQ
|
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4000SS-F-NRS 3 | - | Stainless Steel | Rubber | No Meter | Not Applicable | Not Applicable | Rubber | No | €5,088.22 | RFQ
|
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WATTS 4000SS-SR-LG 4 0691821 Backflow Preventer Assembly, 4 Inch Nominal Size, 300 Stainless Steel
€5,185.88 /unit



