2 LF860U-QT-RP-FS

Item Number: F122974
1 1
$2,652.02
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Febco
  • Size: 2 inch
  • Model: FEBCO LF860U-FS
  • Max. Working Pressure: 175 psi
  • Temperature Range: 32°F to 140°F
  • Body Material: Lead Free* cast copper silicon alloy
  • Features SentryPlus Alert® flood sensor
  • Includes union ball valves and quarter-turn shutoff
  • Certified to ASSE 1013, CSA B64.4, NSF/ANSI 61-G, AWWA C511

Description

The 2 inch FEBCO LF860U-FS Lead Free Reduced Pressure Zone (RPZ) backflow preventer assembly protects potable water systems from high-hazard contamination. It prevents reverse flow caused by backsiphonage or backpressure in applications such as industrial plants, hospitals, and irrigation systems. Constructed with a Lead Free* cast copper silicon alloy body, this assembly includes union ball valves with quarter-turn shutoff and a SentryPlus Alert® flood sensor. The sensor detects excessive relief valve discharge, relaying alerts when paired with an add-on connection kit. It is rated for 175 psi maximum working pressure and 32°F to 140°F temperature, conforming to ASSE 1013, CSA B64.4, NSF/ANSI 61-G, and AWWA C511 standards.

Help Me Connect

Connections

  • This assembly includes threaded quarter-turn ball valves with union connections for straightforward installation into your piping system.
  • Ensure proper sizing by matching the 2 inch nominal pipe size of this backflow preventer to your existing plumbing.

Flood Sensor Activation

The integrated flood sensor is a passive component until an add-on connection kit is installed. To activate flood alerts and communication, you will need to purchase a separate connection kit. Options for connection kits include those compatible with Building Management Systems (BMS), cellular communication, or the Sensor Control Monitor which integrates with BAS via RS-485 Modbus or the Nexa® platform via Wi-Fi.

Notice: Use of the flood sensor does not replace the need to comply with all required instructions, codes, and regulations related to installation, operation, and maintenance of this product, including the need to provide proper drainage in the event of a discharge.

View full details

Additional Details

This 2 inch Lead Free Reduced Pressure Zone (RPZ) backflow preventer assembly by FEBCO prevents the reverse flow of high hazard (toxic) fluids from entering into the potable water supply due to backsiphonage and/or backpressure conditions. It is ideal for water services in industrial plants, hospitals, morgues, mortuaries, chemical plants, irrigation systems, boiler feed, and water lines where maximum protection is required.

This assembly features Lead Free* bronze body construction, threaded quarter-turn ball valves with union connections, and a SentryPlus Alert® flood sensor to detect excessive water discharges from the relief valve.

Components & Features

  • Lead Free* cast copper silicon alloy body for durability and compliance
  • Designed for potable drinking water systems protection
  • Inline serviceable assembly requiring no special tools for maintenance
  • Includes a pressure differential relief valve and two spring-loaded check valves
  • Equipped with threaded quarter-turn ball valves with union connections for ease of installation and service
  • Top mounted test cocks for verification

Flood Sensor Technology

  • SentryPlus Alert® flood sensor on the relief valve detects continuous discharge
  • Relays a signal to personnel for corrective action, limiting flooding and costly damage
  • Requires an add-on connection kit to activate communication; passive without kit
  • Connection kit options: BMS, cellular communication, or Sensor Control Monitor
  • Sensor Control Monitor integrates with BAS via RS-485 Modbus or the Nexa® platform via Wi-Fi

Specifications

  • Size: 2 inch
  • Model: LF860U-FS (Standard Assembly with Union Ball Valves and Flood Sensor)

Pressure - Temperature

  • 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)

Materials

  • Valve Body: Lead Free* cast copper silicon alloy
  • Elastomers: Silicone
  • Springs: Stainless steel
  • Seat: Noryl®
  • Seat Disc: Silicone Rubber
  • Diaphragm-RV: Rubber/Fabric
  • Ball Valve: Lead Free* Cast Copper Silicon Alloy
  • Test Cock: Lead Free* Cast Copper Silicon Alloy

Certificates & Approvals

  • ANSI/AWWA Conformance: C511
  • Approved by: Foundation for Cross-Connection Control and Hydraulic Research at USC
  • ASSE: 1013
  • CSA: B64.4
  • NSF: Certified to NSF/ANSI 61-G

FAQs

What is the primary function of the FEBCO LF860U-FS backflow preventer?

The primary function is to protect potable drinking water systems from contamination by preventing the reverse flow of high hazard (toxic) fluids caused by backsiphonage or backpressure conditions. It ensures the safety of your water supply.

What does 'Lead Free' mean for this product?

'Lead Free' indicates that the wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight, complying with modern installation requirements for potable water systems.

How does the SentryPlus Alert® flood sensor work?

The flood sensor is installed on the relief valve to detect continuous water discharges. When paired with an add-on connection kit (sold separately), it activates to relay alerts to facility personnel or building management systems (BMS), cellular devices, or the Nexa® platform via Wi-Fi, helping to prevent flooding and costly damage.

What are the maximum operating pressure and temperature ratings for this assembly?

This 2 inch backflow preventer has a maximum working pressure of 175 psi (12.1 bar) and can operate within a temperature range of 32°F to 140°F (0°C to 60°C).

Is this backflow preventer assembly serviceable?

Yes, the FEBCO LF860U-FS is designed as an inline serviceable assembly, which means it can be maintained without requiring special tools, simplifying upkeep and reducing downtime.

Related Products

1 2