1 LF850U-QT DC

Item Number: 0122965
1 1
$647.25
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Febco
  • Nominal Size: 1 inch
  • Weight: 8.9 lb
  • Max. Working Pressure: 175 psi
  • Lead Free Cast Copper Silicon Alloy Body
  • Union End Connections
  • Quarter-Turn Ball Valve Shutoffs
  • Compact Modular Design for Easy Maintenance
  • Replaceable Seats and Seat Discs
  • ASSE 1015 and CSA B64.4 Approved

Description

The 1 inch Lead Free Double Check Valve Backflow Preventer Assembly with Quarter Turn Shutoff and Union Ends by FEBCO prevents polluted water from entering potable water supplies due to backsiphonage or backpressure. Its compact modular design and single access cover simplify in-line maintenance. Constructed from lead free cast copper silicon alloy, this assembly features union end connections, quarter-turn ball valves, and top-mounted test cocks for easy testing. It is suitable for continuous pressure applications and non-health hazard cross-connections, meeting national plumbing codes and water authority requirements. Item number 0122965.

Help Me Connect

Connections

  • This assembly features union end connections, designed for straightforward installation and removal in your piping system.
  • The 1-inch nominal size ensures compatibility with corresponding 1-inch plumbing lines.
  • Equipped with quarter-turn ball valve shutoffs on both ends to control water flow during installation, maintenance, or operation.
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Additional Details

This 1 inch Lead Free Double Check Valve Backflow Preventer Assembly is designed to prevent the backflow of polluted water into the potable water supply due to backsiphonage or backpressure.

It is ideal for protection in continuous pressure piping applications and at cross-connections identified as non-health hazards, conforming to national plumbing codes and water authority requirements.

Features

  • Lead Free body construction from cast copper silicon alloy.
  • Compact modular design facilitates maintenance with a single access cover for in-line repairs.
  • Includes union end connections for easy installation.
  • Equipped with quarter-turn ball valve shutoffs for reliable operation.
  • Features two in-line independent, positive seating check modules with captured springs.
  • Replaceable seats and seat discs allow for simplified servicing.
  • Includes top-mounted test cocks for convenient testing.

WARNING: A freeze sensor (if installed as an add-on) solely provides an alert about a possible freeze event and cannot prevent freezing. User action is required to prevent freeze conditions from causing product and/or property damage. The sensor is installed on the assembly exterior and does not alter assembly functions or certifications.

Specifications

  • Valve Body Material: Lead Free Cast Copper Silicon Alloy
  • Elastomers: Silicone
  • Springs: Stainless Steel
  • Nominal Size: 1 inch
  • Max. Working Pressure: 175 psi (12.1 bar)
  • Hydrostatic Test Pressure: 350 psi (24.1 bar)
  • Temperature Range: 32°F to 140°F (0°C to 60°C)
  • Pressure Drop (First Check Valve): 1.0 psig (0.07 bar)
  • Pressure Drop (Complete Assembly): 10.0 psig (0.69 bar)
  • Length (A): 10 1/4 inches (260 mm)
  • Height (D): 7 7/8 inches (200 mm)
  • Width (E): 3 1/8 inches (79 mm)
  • Weight: 7.2 lbs (3.3 kg)

Certificates & Approvals

  • ASSE 1015
  • CSA B64.4
  • NSF Listed
  • USC-FCCCHR
  • ANSI/AWWA C510-92 Conformance
  • Approved by the Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California

FAQs

What is the primary function of this backflow preventer?

This backflow preventer assembly is designed to prevent the backflow of polluted water into the potable water supply, protecting against contamination from backsiphonage and backpressure.

What type of end connections does this model use?

This specific model features union end connections, which are designed for easy installation and removal from your piping system.

What is the maximum operating pressure for this device?

The maximum working pressure for this 1-inch backflow preventer assembly is 175 psi (12.1 bar), making it suitable for standard continuous pressure piping applications.

Is this product suitable for use in all plumbing applications?

This assembly is ideal for protection in continuous pressure piping applications and at cross-connections identified as non-health hazards. It conforms to national plumbing codes and water authority requirements for these uses.

Are replacement parts available for maintenance?

Yes, this backflow preventer features replaceable seats and seat discs, and a compact modular design with a single access cover, facilitating easy maintenance and servicing with readily available parts.