8 LF876WZ-DOSY-GPM

Item Number: 88007357
1 1
$38,261.25
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Febco
  • Size: 8 Inch
  • Weight: 1128.0 lb
  • Lead-Free: Yes (<0.25% lead content on wetted surfaces)
  • Lay Length: Competitor Z-Pattern for drop-in replacement
  • Coating: ArmorTek® advanced epoxy system for corrosion resistance
  • Bypass Meter: 5/8"x3/4" GPM Water Meter included
  • Shutoff Valves: Domestic OSY resilient wedge gate valves
  • Max. Working Pressure: 175 psi
  • Temperature Range: 33°F - 140°F continuous

Description

This 8 inch FEBCO MasterSeries LF876W/WZ Double Check Detector Backflow Preventer Assembly is designed to protect potable water supplies from pollution due to backpressure or backsiphonage. Featuring a Z-pattern lay length, it provides a direct drop-in replacement for competitor valves. The ductile iron body is coated with ArmorTek®, a patented epoxy system, for superior resistance against microbial-induced and electrochemical corrosion. It includes domestic OSY shutoff valves and a GPM metered bypass to detect system leaks or unauthorized water usage, making it suitable for fire sprinkler and potable water systems. Item number 88007357.

Help Me Connect

Compatibility and Installation

  • This 8 inch FEBCO MasterSeries LF876W/WZ Double Check Detector Assembly is specifically designed for drop-in replacement of competitor's Z-pattern valves, offering a longer lay-length to simplify installation.
  • The series is designed for both horizontal (N-pattern) and vertical-up (Z-pattern) installations, providing flexibility for various plumbing configurations.
  • It is approved for installation on potable drinking water systems and fire sprinkler systems to protect against backpressure and backsiphonage in non-health hazard (pollutant) applications.
  • The assembly is fitted with UL Classified/FM Approved inlet/outlet resilient seated shutoff valves and contains four properly located resilient seated test cocks, as specified by AWWA Standard C510.
View full details

Additional Details

The 8 inch FEBCO MasterSeries LF876W/WZ Double Check Detector Assembly is a lead-free backflow preventer designed to prevent the reverse flow of polluted water into the potable water supply due to backsiphonage or backpressure. This specific model features a Z-pattern configuration, ideal for drop-in replacement of competitor's Z-pattern valves, and is commonly used on potable drinking water systems and fire sprinkler systems.

The assembly incorporates ArmorTek®, a patented three-part advanced epoxy system, to coat iron components, reducing microbial-induced corrosion (MIC) and protecting exposed metal surfaces.

Features

  • Designed for Z-pattern competitor drop-in replacement lay length
  • Lead-free construction, containing less than 0.25% lead by weight on wetted surfaces
  • ArmorTek® coating technology for advanced corrosion resistance on internal and external surfaces
  • Bypass line with a 5/8"x3/4" GPM Water Meter to detect leaks or unauthorized water usage
  • Configurable for both N-pattern and Z-pattern installations
  • Main valve body made from ductile iron
  • Includes OSY resilient wedge gate valves
  • Equipped with two in-line independent check valves with replaceable seats and disc rubbers
  • Features ball valve test cocks for easy maintenance

Main Valve Details

  • In-line serviceable assembly requiring no special tools for servicing
  • Features a captured modular spring assembly
  • Discs are reversible and replaceable
  • Seats are field replaceable
  • Winterization feature with disc retainers and valve body drain ports
  • Clapper check assembly with commonality between 1st and 2nd check components
  • Captured O-ring design

Auxiliary Bypass Details

  • Compact design that remains within the main valve assembly profile
  • In-line serviceable 3/4" check assembly
  • Field replaceable seat and disc
  • Detects potential underground water leaks
  • Detects unauthorized water usage

Specifications

  • Product Type: Double Check Detector Backflow Preventer Assembly
  • SKU: 88007357
  • Size: 8 Inch
  • Lay Length: Competitor Z-Pattern
  • Coating: ArmorTek® powder coating (internal and external surfaces)
  • Bypass Meter: 5/8"x3/4" Totalizing Gallons/Minute (GPM) Water Meter
  • Shutoff Valves: Domestic OSY Resilient Wedge Gate Valves (UL Classified/FM Approved)

Materials

  • Main Valve Body: Ductile Iron Grade 65-45-12
  • Check Seats: Stainless steel
  • Disc Holder: Stainless steel
  • Elastomer Disc: Silicone
  • Spring: Stainless steel
  • Clamp: AWWA C606

Pressure - Temperature

  • Max. Working Pressure: 175 psi (12.1 bar)
  • Min. Working Pressure: 10 psi (0.7 bar)
  • Hydrostatic Test Pressure: 350 psi (24.1 bar)
  • Hydrostatic Safety Pressure: 700 psi (48.3 bar)
  • Temperature Range: 33°F - 140°F (0.5°C ~ 60°C) continuous

Certificates & Approvals

  • Approved by Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
  • ASSE 1048 Listed
  • UL Classified (U.S. & Canada)**
  • FM Approved**
  • IAPMO/CUPC
  • AWWA Standard C510 Compliant
  • CSA B64.5
  • End Connections: Compliant to ASME B16.1 Class 125 & AWWA Class D Flange

FAQs

What is the primary function of this backflow preventer?

This 8 inch FEBCO MasterSeries LF876W/WZ is a Double Check Detector Assembly designed to prevent the reverse flow of polluted water into the potable water supply. It also includes a metered bypass to detect system leaks or unauthorized water usage.

Is this backflow preventer assembly lead-free?

Yes, this product is lead-free. The wetted surface contacted by consumable water contains less than 0.25% of lead by weight, meeting lead-free requirements.

What kind of corrosion protection does this assembly offer?

The iron components, including the ductile iron body, are coated with ArmorTek®, a patented three-part advanced epoxy system. This coating is engineered to reduce microbial-induced corrosion (MIC) and protect against exposed metal substrate corrosion.

Can this assembly replace other backflow preventers?

Yes, this specific model features a Z-pattern lay length, making it ideal for direct drop-in replacement of competitor's Z-pattern backflow preventer valves.

What type of shutoff valves are included with this assembly?

This assembly comes fitted with domestic Outside Stem and Yoke (OSY) resilient seated gate valves, which are UL Classified and FM Approved.

Related Products