WATTS M400N-OSY 2 1/2 0191078 Backflow Preventer Assembly, 2-1/2 Inch Nominal Size, 304 Stainless Steel
€5,383.98 /unit
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Product Specifications:
| Item | Backflow Preventer Assembly |
| Backflow Preventer Type | Reduced Pressure Zone Assembly |
| Body Material | Stainless Steel |
| Body Pattern | N Pattern |
| Buy American Act Compliant | No |
| By Pass | No |
| Bypass Size | Not Applicable |
| Cap And Tether | No |
| Cross Reference | 0191078 |
| Elbow Fitting | No |
| Hazard Protection Level | Health Hazard |
| Hot And Harsh Water | No |
| Hydrant Connection | No |
| Inlet Connection Size | 2 1/2" |
| Inlet Connection Type | Flanged Joint |
| Inlet Shutoff Valve Type | Outside Stem And Yoke Gate Valve |
| Inlet Thread Type | Not Applicable |
| Lead Free | Yes |
| Max. Temp. | 110°F |
| Max. Working Pressure | 175 psi |
| Meter Type | No Meter |
| Min. Temp. | 33°F |
| Outlet Connection Size | 2 1/2" |
| Outlet Connection Thread Type | Flanged Joint |
| Outlet Shutoff Valve Type | Outside Stem And Yoke Gate Valve |
| Outlet Thread Type | Not Applicable |
| Polymer Coating | No |
| Pressure Operation | Continuous |
| Product Datasheet | watts-m400z-nrs-2-1-2.pdf |
| Protection Type | Backpressure, Back Siphonage |
| Seat Material | Rubber |
| Series | M400 Series |
| Strainer | No |
| Technologies | Not Applicable |
| Tradename | Maxim |
Documentation:
Product Variants
| Product | Model | Body Pattern | Outlet Size | Seat Material | Body Material | Meter Type | Bypass Size | Strainer | Inlet Thread Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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M400 6 | - | - | - | - | - | - | - | - | €5,609.99 | RFQ
|
![]() |
M400 8 | - | - | - | - | - | - | - | - | €10,321.54 | RFQ
|
![]() |
M400 12 | - | - | - | - | - | - | - | - | €26,152.55 | RFQ
|
![]() |
M400 3 | - | - | - | - | - | - | - | - | €2,003.46 | RFQ
|
![]() |
M400Z-DOSY 4 | Z Pattern | - | Rubber | - | No Meter | - | No | - | €9,051.93 | RFQ
|
![]() |
M400Z-DOSY 2 1/2 | Z Pattern | - | Rubber | - | - | - | - | - | €6,084.36 | RFQ
|
![]() |
M400Z-DOSY 3 | Z Pattern | - | Rubber | Stainless Steel | - | Not Applicable | - | - | €6,893.59 | RFQ
|
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WATTS M400N-OSY 2 1/2 0191078 Backflow Preventer Assembly, 2-1/2 Inch Nominal Size, 304 Stainless Steel
€5,383.98 /unit





