10 LF886W-DOSY-GPM-FS

Item Number: F8007386
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$61,192.51
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Febco
  • Size: 10 inch
  • Weight: 987.0 lb
  • Product Type: Reduced Pressure Zone Detector Detector Assembly (Type II)
  • Lead-Free Construction: Wetted surface contains less than 0.25% lead by weight
  • Body Material: Ductile iron with ArmorTek® coating
  • Shutoff Valves: Domestic OSY resilient seated
  • Bypass Meter: Gallons Per Minute (GPM)
  • Flood Sensor: SentryPlus Alert® technology included
  • Maximum Working Pressure: 175 psi
  • Temperature Range: 33°F - 140°F

Description

The 10 inch FEBCO MasterSeries LF886W Reduced Pressure Detector Backflow Preventer Assembly is designed for high hazard and toxic applications in potable water systems and industrial installations. It features a lead-free ductile iron body with ArmorTek® coating for superior corrosion resistance and a longer lay-length for easy drop-in replacement of competitor N-pattern valves. This assembly includes domestic OSY shutoff valves, a GPM metered bypass, and a SentryPlus Alert® flood sensor to detect relief valve discharge. It operates within a 33°F to 140°F temperature range and up to 175 psi maximum working pressure, ensuring reliable performance and system protection. Item number F8007386.

Help Me Connect

This 10 inch MasterSeries® LF886W Reduced Pressure Zone Detector Assembly is designed for installation on potable drinking water systems and industrial applications where protection against high hazard (toxic) fluids is required due to backpressure and backsiphonage conditions.

It features a longer gate-to-gate lay-length engineered for direct drop-in replacement of competitor’s N-pattern valves, simplifying upgrades or replacements.

End connections are compliant to ASME B16.1 Class 125 and AWWA Class D Flange standards.

The integrated flood sensor with SentryPlus Alert® technology requires an add-on connection kit (sold separately) for active flood detection and alert capabilities. These kits enable communication via BMS, cellular networks, or integration with Building Automation Systems (BAS) through RS-485 Modbus or the Nexa® platform via Wi-Fi.

The bypass line includes a 5/8" x 3/4" water meter for detecting potential underground water leaks or unauthorized water usage within the system.

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Additional Details

This 10 inch lead free MasterSeries® reduced pressure detector backflow preventer assembly protects against high hazard (toxic) fluids in water services to industrial installations and applications. It is designed for drop-in replacement of competitor’s N-pattern valves, featuring a longer lay-length.

Construction & Materials

  • Features a ductile iron body with ArmorTek® advanced epoxy coating on internal and external surfaces for corrosion resistance.
  • Includes replaceable stainless steel check seats and a stainless steel relief valve seat for enhanced durability.
  • Fitted with domestic OSY shutoff valves and ball valve test cocks.
  • Internal components include stainless steel check components, disc holders, and springs, with silicone elastomer discs.

Main Valve Features

  • Offers maximum performance and durability with stainless steel relief valve seat and check components.
  • Longer gate-to-gate length for direct drop-in replacement of existing longer valves.
  • Inline serviceable assembly and field replaceable seats require no special tools for maintenance.
  • Equipped with a modular and repairable pressure differential relief valve, a clapper check assembly, and a captured modular spring assembly.
  • Features reversible and replaceable discs and a captured O-ring design.

Auxiliary Bypass Features

  • Compact design that remains within the main valve assembly profile.
  • Includes an inline serviceable 3/4 inch check assembly with field replaceable seat and disc, requiring no special tools for servicing.
  • Designed to detect potential underground water leaks and unauthorized water usage.
  • Equipped with a gallons per minute (GPM) metered bypass (5/8" x 3/4" water meter) for accurate monitoring.

Flood Detection & Alerting

  • Includes a flood sensor with SentryPlus Alert® technology on the relief valve to detect excessive water discharges.
  • When paired with an add-on connection kit (available separately), the sensor activates to relay alerts for potential flooding events via BMS, cellular communication, or the Sensor Control Monitor (integrates with BAS via RS-485 Modbus or Nexa® platform through Wi-Fi).

Important Safety Note: Without an add-on connection kit, the flood sensor functions as a passive component and does not communicate. The flood sensor does not replace the need to comply with all installation, operation, and maintenance instructions, including providing proper drainage. Watts® is not responsible for alert failures due to connectivity issues, power outages, or improper installation.

Specifications

  • Product Type: Reduced Pressure Zone Detector Assembly (Type II)
  • Size: 10 inch
  • Pattern: N-Pattern
  • Shutoff Valves: Domestic OSY Resilient Seated Gate Valves
  • Bypass Meter: 5/8" x 3/4" Gallons Per Minute (GPM)
  • Body Material: Ductile Iron Grade 65-45-12
  • Coating: ArmorTek® Powder Coating
  • Check Seats: Stainless Steel
  • Relief Valve Seat: Stainless Steel
  • Disc Material: Silicone
  • Spring Material: Stainless Steel
  • Max. Working Pressure: 175 psi (12.1 bar)
  • Min. Working Pressure: 20 psi (1.4 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
  • Lead Content: Wetted surface contains less than 0.25% lead by weight
  • Flood Sensor: SentryPlus Alert® Technology included on relief valve
  • Lay Length: Competitor drop-in replacement
  • Test Cocks: Ball valve
  • Weight (OSY): 1363 lb (618 kg)

Certificates & Approvals

  • Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
  • ASSE 1047
  • UL Classified (US & Canada)
  • FM Approved
  • IAPMO/CUPC
  • AWWA Standard C511 Compliant
  • CSA B64.4
  • End Connections: Compliant to ASME B16.1 Class 125 & AWWA Class D Flange

FAQs

What is the primary use of this backflow preventer?

This 10 inch FEBCO MasterSeries LF886W Reduced Pressure Detector Assembly is primarily used to protect potable drinking water systems and industrial applications from high hazard (toxic) fluids due to backpressure and backsiphonage conditions, in accordance with local governing water utility codes.

What does "Lead-Free" mean for this product?

The wetted surface of this backflow preventer, which comes into contact with consumable water, contains less than 0.25% of lead by weight. This complies with low lead installation requirements.

How does the flood sensor feature work?

The integrated flood sensor with SentryPlus Alert® technology detects excessive water discharges from the relief valve. To activate its alert capabilities, an add-on connection kit (sold separately) is required, enabling communication via BMS, cellular, or Wi-Fi to notify personnel of potential flooding.

What type of shutoff valves are included with this assembly?

This assembly includes domestic OSY (Outside Stem & Yoke) resilient seated gate shutoff valves, which are UL Classified and FM Approved in accordance with AWWA Standard C515.

What is the maximum operating pressure and temperature range for this backflow preventer?

This assembly has a maximum working pressure of 175 psi (12.1 bar) and operates effectively within a temperature range of 33°F to 140°F (0.5°C to 60°C) continuously.

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