Watts 1/2 B911 (PRESS XTHD) - 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 BD1156F, 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 Viega ProPress inlet x NPT threaded outlet connections. The maximum pressure is 100 psi (6.9 bar).
Features- Bronze body for durability
- High capacity fill
- Pre-assembled unit
- Viega ProPress® connection adapters
| Specifications | |
|---|---|
| Backflow Preventer Type | Dual Check with Atmospheric Vent |
| Body Finish | Bronze |
| Body Material | Bronze |
| Body Pattern | Inline |
| Brand | Watts |
| Bypass | No |
| Bypass Size | Does Not Apply To Product |
| Cap And Tether | No |
| Disc Material | EPDM |
| EAN | 098268162004 |
| Elbow Fitting | No |
| Environmental Product Declaration | No |
| 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 | Press |
| Inlet Shutoff Valve Type | No Shutoff Valve |
| Inlet Thread Type | IPS |
| Lead Free | Not In Scope |
| Maximum Temperature-Fahrenheit | 212 |
| Maximum Working Pressure-BAR | 6.90 |
| Maximum Working Pressure-PSI | 100 |
| Meter Type | Does Not Apply To Product |
| Minimum Temperature - Celsius | 1.00 |
| Minimum Temperature-Fahrenheit | 33 |
| Outlet Connection Size | 1/2 IN |
| Outlet Connection Type | Female Threaded |
| Outlet Shutoff Valve Type | No Shutoff Valve |
| Outlet Thread Type | NPT |
| Part Number | 88005793 |
| Polymer Coating | No |
| Pressure Operation | Continuous |
| Protection Type | Backpressure and Backsiphonage |
| Seat Material | brass |
| Series | 911 |
| Strainer | No |
- Specification Sheet - 911
Product Information
Product Information
Shipping & Returns
Shipping & Returns
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 BD1156F, 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 Viega ProPress inlet x NPT threaded outlet connections. The maximum pressure is 100 psi (6.9 bar).
Features- Bronze body for durability
- High capacity fill
- Pre-assembled unit
- Viega ProPress® connection adapters
| Specifications | |
|---|---|
| Backflow Preventer Type | Dual Check with Atmospheric Vent |
| Body Finish | Bronze |
| Body Material | Bronze |
| Body Pattern | Inline |
| Brand | Watts |
| Bypass | No |
| Bypass Size | Does Not Apply To Product |
| Cap And Tether | No |
| Disc Material | EPDM |
| EAN | 098268162004 |
| Elbow Fitting | No |
| Environmental Product Declaration | No |
| 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 | Press |
| Inlet Shutoff Valve Type | No Shutoff Valve |
| Inlet Thread Type | IPS |
| Lead Free | Not In Scope |
| Maximum Temperature-Fahrenheit | 212 |
| Maximum Working Pressure-BAR | 6.90 |
| Maximum Working Pressure-PSI | 100 |
| Meter Type | Does Not Apply To Product |
| Minimum Temperature - Celsius | 1.00 |
| Minimum Temperature-Fahrenheit | 33 |
| Outlet Connection Size | 1/2 IN |
| Outlet Connection Type | Female Threaded |
| Outlet Shutoff Valve Type | No Shutoff Valve |
| Outlet Thread Type | NPT |
| Part Number | 88005793 |
| Polymer Coating | No |
| Pressure Operation | Continuous |
| Protection Type | Backpressure and Backsiphonage |
| Seat Material | brass |
| Series | 911 |
| Strainer | No |
- Specification Sheet - 911
