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0386474 has been discontinued
Discontinued May 14, 2026
This product was discontinued by the manufacturer.
Direct Replacement:
1/2" B9-11TM3 (Combination 1156F - 9D (Press x Press)
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Product Highlights
–
1/2"
Bronze
25 MAX PSI
Press x Press Connection
10 PSI
212°F Max Temp
Description
–
Note: Do not use this item for any installation or repair of potable water applications. This product does not comply with the "Safe Drinking Water Act," which requires that products meet low-lead standards in order to be used in systems providing water for human consumption (drinking or cooking). This item is for non-potable (non-human consumption) water applications only.
Series 911 combination fill valve and backflow preventer consists of a Model 9D backflow preventer and Model 1156F feed water pressure regulator in one pre-assembled unit. This valve is designed for use on boiler feed lines to provide make-up water to the boiler and prevent backflow when supply pressure fails below system pressure.
Specifications:
Features:
Series 911 combination fill valve and backflow preventer consists of a Model 9D backflow preventer and Model 1156F feed water pressure regulator in one pre-assembled unit. This valve is designed for use on boiler feed lines to provide make-up water to the boiler and prevent backflow when supply pressure fails below system pressure.
Specifications:
- A combination fill valve and backflow preventer shall be installed on the boiler feed line to provide make-up water to the boiler.
- The valve shall contain a Watts Regulator Model 9D backflow preventer and Model 1156 feed water pressure regulator.
- The combination fill valve and backflow preventer shall be a Watts Regulator Company Series 911.
Features:
- Pre-assembled for ease of installation
- Easy service accessibility
- High capacity fill valve for quick system filling and purging
Specs
–
| Size: | 1/2" |
|---|---|
| Connection Type: | Press x Press |
| Pressure Range: | 10 to 25 psi |
| Min Pressure (PSI): | 10 |
| Max Pressure (PSI): | 25 |
| Material: | Bronze |
| Max Temp (F): | 212°F |
| Application: | Heating |
| Thread Size: | 1/2" |
| Max Inlet Pressure: | 100 PSI |
| Pressure Set Point: | Factory Set at 15 psi |
| Inlet Type: | NPT |
| Outlet Type: | NPT |
| Width: | 8-1/2" |
| Height: | 5-1/4" |
| Weight (lbs): | 4.2 lbs |
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Compare Similar Products
Brand
Size
Connection Type
Max Pressure (PSI)
Material
Max Temp (F)
CURRENT ITEM
1/2"
Press x Press
25
Bronze
212°F