Watts B911S-M3 - Part of the 911 Series
This 1/2 inch bronze combination fill valve and backflow preventer is for use in commercial and residential hydronic heating systems to provide make-up water to the boiler, and prevent backflow when supply pressure falls below system pressure. It consists of a bronze backflow preventer, model 9D and a bronze feed water pressure regulator, model 1156F, in one pre-assembled unit. The high capacity fill valve provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 inch union solder inlet x NPT threaded outlet connections. The maximum pressure is 100 psi (6.9 bar).
Features- For use in commercial and residential hydronic heating systems
- Pre-assembled unit
- All bronze body construction with solder connection
- 1/2 Inch union solder inlet x NPT threaded outlet connections
- High capacity fill
- Maximum pressure 100 psi
| Specifications | |
|---|---|
| Backflow Preventer Type | Dual Check with Atmospheric Vent |
| Body Finish | Bronze |
| Body Material | Bronze |
| Body Pattern | Inline |
| Brand | Watts |
| Buy American Act Compliant | YES |
| Bypass | No |
| Bypass Size | Does Not Apply To Product |
| Cap And Tether | No |
| Disc Material | EPDM |
| EAN | 098268918526 |
| Elbow Fitting | No |
| Environmental Product Declaration | Yes |
| GDS Status | Registered |
| Hazard Protection Level | Non Health Hazard |
| Hot And Harsh Water | No |
| Hydrant Connection | No |
| Inlet Connection Size | 1/2 IN |
| Inlet Connection Size-Metric | 15 MM |
| Inlet Connection Type | Union Solder |
| Inlet Shutoff Valve Type | No Shutoff Valve |
| Inlet Thread Type | Does Not Apply To Product |
| Lead Free | NO |
| Maximum Temperature-Fahrenheit | 212 |
| Maximum Working Pressure-BAR | 6.90 |
| Maximum Working Pressure-PSI | 100 |
| Meter Type | No Meter |
| Outlet Connection Size | 1/2 IN |
| Outlet Connection Type | Female Threaded |
| Outlet Shutoff Valve Type | No Shutoff Valve |
| Outlet Thread Type | NPT |
| Part Number | 0386462 |
| Polymer Coating | No |
| Pressure Operation | Continuous |
| Protection Type | Backpressure and Backsiphonage |
| Seat Material | Plastic |
| Series | 911 |
| Strainer | No |
- Specification Sheet - 911
Description
This 1/2 inch bronze combination fill valve and backflow preventer is for use in commercial and residential hydronic heating systems to provide make-up water to the boiler, and prevent backflow when supply pressure falls below system pressure. It consists of a bronze backflow preventer, model 9D and a bronze feed water pressure regulator, model 1156F, in one pre-assembled unit. The high capacity fill valve provides quick system filling and purging. It is designed for use in the boiler feed lines of hydronic heating systems and has 1/2 inch union solder inlet x NPT threaded outlet connections. The maximum pressure is 100 psi (6.9 bar).
Features- For use in commercial and residential hydronic heating systems
- Pre-assembled unit
- All bronze body construction with solder connection
- 1/2 Inch union solder inlet x NPT threaded outlet connections
- High capacity fill
- Maximum pressure 100 psi
| Specifications | |
|---|---|
| Backflow Preventer Type | Dual Check with Atmospheric Vent |
| Body Finish | Bronze |
| Body Material | Bronze |
| Body Pattern | Inline |
| Brand | Watts |
| Buy American Act Compliant | YES |
| Bypass | No |
| Bypass Size | Does Not Apply To Product |
| Cap And Tether | No |
| Disc Material | EPDM |
| EAN | 098268918526 |
| Elbow Fitting | No |
| Environmental Product Declaration | Yes |
| GDS Status | Registered |
| Hazard Protection Level | Non Health Hazard |
| Hot And Harsh Water | No |
| Hydrant Connection | No |
| Inlet Connection Size | 1/2 IN |
| Inlet Connection Size-Metric | 15 MM |
| Inlet Connection Type | Union Solder |
| Inlet Shutoff Valve Type | No Shutoff Valve |
| Inlet Thread Type | Does Not Apply To Product |
| Lead Free | NO |
| Maximum Temperature-Fahrenheit | 212 |
| Maximum Working Pressure-BAR | 6.90 |
| Maximum Working Pressure-PSI | 100 |
| Meter Type | No Meter |
| Outlet Connection Size | 1/2 IN |
| Outlet Connection Type | Female Threaded |
| Outlet Shutoff Valve Type | No Shutoff Valve |
| Outlet Thread Type | NPT |
| Part Number | 0386462 |
| Polymer Coating | No |
| Pressure Operation | Continuous |
| Protection Type | Backpressure and Backsiphonage |
| Seat Material | Plastic |
| Series | 911 |
| Strainer | No |
- Specification Sheet - 911
