2 1/2 LF880V-DOSY-FS
Item Number: F683134
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Regular price
$10,959.92
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Estimated transit time: 2 to 5 Business Days
Brand - Febco
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- Size: 2 1/2 inch
- Body Material: Ductile Iron with ArmorTek® Epoxy Coating
- Protection: High hazard (toxic) fluids
- Valve Type: Domestic OSY Resilient Seated Gate Valves
- Relief Valve Seat: Stainless Steel
- Integrated SentryPlus Alert® Flood Sensor
- Lead Free Construction
- Configurable N-Pattern Design
Description
Description
The FEBCO 2 1/2 inch LF880V Reduced Pressure Zone Backflow Preventer Assembly is designed to protect water services from high hazard (toxic) fluids in industrial applications. It features a durable ductile iron body with patented ArmorTek® epoxy coating for superior corrosion resistance and extended life. Key components include domestic outside stem and yoke gate valves and stainless-steel relief valve seats and check components. This lead-free assembly also integrates a SentryPlus Alert® flood sensor to detect excessive relief valve discharge, offering an early warning for potential flooding events when paired with an optional connection kit. The configurable N-pattern design provides installation flexibility.
Help Me Connect
Help Me Connect
SentryPlus Alert® Flood Sensor Connectivity
- This assembly includes a flood sensor that detects excessive relief valve discharge. To enable alert functionality, an add-on connection kit is required (sold separately).
- Connection kit options facilitate integration with various systems:
- Building Management Systems (BMS)
- Cellular communication for remote alerts.
- Sensor Control Monitor for integration with Building Automation Systems (BAS) via RS‑485 Modbus or the Nexa® platform through Wi-Fi.

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Additional Details
The 2 1/2 inch FEBCO LF880V Reduced Pressure Zone Backflow Preventer Assembly provides critical protection against high hazard (toxic) fluids in water services for industrial installations and applications. This assembly is designed for dependability and extended valve life.
Construction & Materials
- Features an epoxy coated ductile iron body with patented 3-part ArmorTek® epoxy coating for advanced corrosion resistance against microbial induced (MIC) and exposed metal substrate corrosion.
- Equipped with domestic outside stem and yoke (OSY) resilient seated gate valves, test cocks, and spring loaded check valves.
- Includes a pressure differential relief valve with a durable stainless-steel relief valve seat.
- Stainless steel check components and stainless steel springs ensure maximum performance.
- Configurable N-Pattern design.
- Lead free construction.
- Field reversible relief valve.
SentryPlus Alert® Flood Sensor
- Integrated flood sensor with SentryPlus Alert® technology detects excessive water discharges from the relief valve.
- When paired with an add-on connection kit (sold separately), the sensor relays alerts for potential flooding events.
- Supports integration via BMS, cellular communication, or the Sensor Control Monitor which enables connection with BAS via RS‑485 Modbus or the Nexa® platform through Wi-Fi.
Specifications
- Product Type: Reduced Pressure Zone Backflow Preventer
- Size: 2 1/2 inch
- Body Material: Ductile Iron
- Body Coating: ArmorTek® Epoxy Coating (3-part, patented)
- Valve Type: Domestic Outside Stem and Yoke (OSY) Resilient Seated Gate Valves
- Relief Valve Seat Material: Stainless Steel
- Check Components: Stainless Steel
- Spring Material: Stainless Steel
- Pattern: N-Pattern (Configurable)
- Lead Free: Yes
- Flood Sensor: Yes, SentryPlus Alert® Technology
FAQs
What type of hazards does the LF880V protect against?
The FEBCO LF880V is designed to protect water services from high hazard (toxic) fluids in industrial installations and applications.
What material is the body of the backflow preventer made from?
The body of the assembly is constructed from ductile iron, which is fused with a patented 3-part ArmorTek® epoxy coating for advanced corrosion resistance.
What is the purpose of the SentryPlus Alert® flood sensor?
The integrated SentryPlus Alert® flood sensor detects excessive water discharges from the relief valve, providing an early alert for potential flooding events when connected to an optional kit.
Is this backflow preventer lead-free?
Yes, the FEBCO LF880V Reduced Pressure Zone Backflow Preventer Assembly features lead-free construction.
What are the connectivity options for the flood sensor?
When paired with an add-on connection kit, the sensor can integrate with BMS, cellular communication, or a Sensor Control Monitor for connection with BAS via RS‑485 Modbus or the Nexa® platform through Wi-Fi.
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