Comb Fill Valve/Backflow Preventor 1/2In MPN:B911S-M3

Combination backflow preventer and feed water pressure regulator in one pre-assembled unit, this WATTS boiler feed valve with backflow preventer is for use in residential and commercial hydronic heating systems. Model provides make-up water to the boiler and can prevent backflow when the supply pressure falls below the system pressure.

Technical Specifications

• Item Boiler Feed Valve w/Backflow Preventer
• Pipe Size 1/2 in
• Length 8 1/2 in
• Height 5 1/4 in
• Connection Type FNPT x Sweat Union
• Adjustment Range 10 to 25 psi
• Max. Pressure 100 psi
• Max. Fluid Temp. 212 Degrees F
• Body Material Bronze
• Standards ASSE 1012

Manufacturer Details

• Manufacturer: Watts
• Condensed Mfg Number: B911SM3
• MPN: B911S-M3

Label Details

• Hazardous Material: N
• Green Material Flag: N
• COO Name: United States
• Country of Origin: US
• CA Prop 65 Wht Label: Y
• CA Prop 65 Cancer Warning: Lead
• CA Prop 65 Repro Warning: Lead
• CA Prop 65 Warning Msg Scenario: 4

Shipping Details

• Ship Weight: 3.15

Classification Details

• Harmonization Code: 8481301090
• GDS Category Name: Boiler Feed Valves
• GDS Family Name: Pressure and Temperature Control Valves
• GDS Segment Name: Plumbing
• UNSPSC: 40141609
• UNSPSC Class ID: 16
• UNSPSC Commodity Name: Valves
• UNSPSC Commodity ID: 09
• UNSPSC Commodity Name: Control valves
• UNSPSC Family ID: 14
• UNSPSC Family Name: Fluid and gas distribution
• UNSPSC Segment ID: 40
• UNSPSC Segment Name: Distribution and Conditioning Systems and Equipment and Components

Shipping Details

• Not For Sale In: HI AK PR