FEBCO Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for FEBCO products.

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FEBCO manuals

Latest posts, featured manuals, and retailer-linked manuals for this brand tag.

FEBCO LF860/LF866 Reduced Pressure Zone Installation Guide

April 14, 2026

FEBCO LF860/LF866 Reduced Pressure Zone Specifications Models: Series LF860, LF866 Recommended System Supply Pressure: At least 20 psi (133 kPa) Flood Sensor: Included on relief valve to detect excessive discharge. Requires an add-on connection kit for activation. Usage Instructions …

Brand: FEBCO

FEBCO LF880V Reduced Pressure Zone Assemblies Installation Guide

October 6, 2025

Installation, Maintenance, and Repair Manual Master Series® 880V, LF880V, LF886V Reduced Pressure Zone Assemblies Reduced Pressure Detector Assemblies 21⁄2" – 10" LF880V Reduced Pressure Zone Assemblies WARNING! Read this Manual BEFORE using this equipment. Failure to read and follow all…

Brand: FEBCO

FEBCO LF880V, LF886V Reduced Pressure Detector Instruction Manual

March 28, 2025

FEBCO LF880V, LF886V Reduced Pressure Detector WARNING Read this Manual BEFORE using this equipment. Failure to read and follow all safety and use information can result in death, serious personal injury, property damage, or damage to the equipment. Keep this…

Brand: FEBCO

FEBCO IS-F-FS Cellular Flood Sensor Connection Kit Installation Guide

March 28, 2025

IS-F-FS Cellular Flood Sensor Connection Kit Specifications Product Name: Cellular Flood Sensor Connection Kit Model: IS-F-FS-Cellular Power Supply: 24V Power Adapter Communication: Cellular Gateway Product Usage Instructions 1. Install the Flood Sensor and Activation Module The activation module receives…

Brand: FEBCO

FEBCO IS-F-RFK-FS-825 Cellular Flood Sensor Retrofit Connection Kit Instruction Manual

March 23, 2024

FEBCO IS-F-RFK-FS-825 Cellular Flood Sensor Retrofit Connection Kit Product Information Specifications Product Name: Cellular Flood Sensor Retrofit Connection Kit Model Number: IS-F-RFK-FS-825-Cellular Components: Activation module, Cellular Gateway, 24V Power adapter Product Usage Instructions Installation Instructions Before using the equipment, read…

Brand: FEBCO

FEBCO LF860 Reduced Pressure Zone Instruction Manual

March 15, 2024

FEBCO LF860 Reduced Pressure Zone Specifications: Product Model: Series LF860 Large and LF866 Installation: Backflow assemblies should be performed by a qualified, licensed technician Features: Flood sensor on the relief valve to detect excessive discharge Recommended Supply Pressure: At least…

Brand: FEBCO

FEBCO 601-P Plastic Air Gap Drain Instruction Manual

February 28, 2024

FEBCO 601-P Plastic Air Gap Drain Specifications Product Name: Series 601-P Plastic Air Gap Drain Model Number: IS-F-601AGDK Designed : Indoor use Not suitable: Valve assemblies with flood sensors Product Usage Instructions Installation Ensure that you read and understand all…

Brand: FEBCO

FEBCO 765 Pressure Vacuum Breaker Instructions

February 17, 2024

FEBCO 765 Pressure Vacuum Breaker Instructions An addon connection kit is required to activate the freeze sensor. Without the connection kit, the sensor is a passive component that has no communication with any other device. (The kit can also be…

Brand: FEBCO

FEBCO 825Y Series Reduced Pressure Zone Assemblies Instruction Manual

November 30, 2023

FEBCO 825Y Series Reduced Pressure Zone Assemblies Product Information Specifications Model: Series 825Y, LF825Y Type: Reduced Pressure Zone Assemblies Part Number: RP/IS-F-825Y Sensor: Included on relief valve for flood detection Product Usage Instructions Facility Before installation, consult local building and…

Brand: FEBCO

FEBCO 825YA Reduced Pressure Zone Assemblies Instruction Manual

October 16, 2023

FEBCO 825YA Reduced Pressure Zone Assemblies Introduction Series 825YA and LF825YA each include a flood sensor on the relief valve to detect excessive discharge and trigger notification of a potential flood event. NOTICE An add-on connection kit is required to…

Brand: FEBCO

Installation, Maintenance, and Repair Manual: FEBCO MasterSeries 880V, LF880V, LF886V

manual • June 1, 2026

Official installation, maintenance, and repair manual for FEBCO MasterSeries 880V, LF880V, and LF886V Reduced Pressure Zone and Detector Assemblies.

Brand: FEBCO

Installation Instructions: BMS Flood Sensor Retrofit Connection Kit (Series LF860, LF866, LF880V, LF886V)

installation guide • May 2, 2026

Installation guide for the FEBCO BMS Flood Sensor Retrofit Connection Kit for Series LF860 Large, LF866, LF880V, and LF886V backflow preventers.

Brand: FEBCO

BMS Flood Sensor Retrofit Connection Kit Installation Instructions

installation guide • May 1, 2026

Comprehensive installation guide for the FEBCO BMS Flood Sensor Retrofit Connection Kit, compatible with Series 825Y, LF825Y, 825YA, and LF825YA backflow preventers.

Brand: FEBCO

FEBCO Series 850 Small & LF850 Small Double Check Valve Assemblies Installation, Maintenance, and Repair Manual

Manual • April 27, 2026

Comprehensive guide for the installation, maintenance, and repair of FEBCO Series 850 Small and LF850 Small Double Check Valve Assemblies, including freeze protection, troubleshooting, and parts information.

Brand: FEBCO

FEBCO BMS Flood Sensor Retrofit Connection Kit Installation Instructions

April 17, 2026

Comprehensive installation guide for the FEBCO BMS Flood Sensor Retrofit Connection Kit (Series 860 Small, LF860 Small, 1/2" - 2"). Learn how to install, connect, and wire the flood sensor for seamless integration with building management systems (BMS) for effective flood detection…

Brand: FEBCO

FEBCO LF860/LF866 Installation, Maintenance, and Repair Manual

Installation, Maintenance, and Repair Manual • March 24, 2026

Comprehensive guide for the installation, maintenance, and repair of FEBCO Series LF860 and LF866 Reduced Pressure Zone and Detector Assemblies, including flood sensor information, troubleshooting, and warranty details.

Brand: FEBCO

MasterSeries 880V, LF880V, LF886V Reduced Pressure Zone Assemblies Installation, Maintenance, and Repair Manual

manual • March 18, 2026

Comprehensive guide for the installation, maintenance, and repair of FEBCO MasterSeries 880V, LF880V, and LF886V Reduced Pressure Zone and Detector Assemblies. Covers safety warnings, installation procedures, service and maintenance, troubleshooting, add-on kits, and limited warranty information.

Brand: FEBCO

FEBCO MasterSeries 870V, LF870V, 876V, LF876V Double Check Valve Assemblies Installation, Maintenance, and Repair Manual

Manual • March 9, 2026

This manual provides detailed instructions for the installation, maintenance, and repair of FEBCO MasterSeries 870V, LF870V, 876V, and LF876V Double Check Valve Assemblies and Double Check Detector Assemblies, sizes 2½" to 10". It includes safety warnings, installation guidelines, service procedures, troubleshooting tips,…

Brand: FEBCO

MasterSeries LF850/LF856 Double Check Valve Assembly Installation, Maintenance, and Repair Manual

Manual • March 9, 2026

Comprehensive guide for the FEBCO MasterSeries LF850 and LF856 Double Check Valve Assemblies and LF865 Double Check Detector Assemblies, covering installation, maintenance, troubleshooting, and warranty information. Protects potable water systems from cross-connections.

Brand: FEBCO

FEBCO MasterSeries 850, 856, 870V, 876V Double Check Valve Assembly Installation, Operation, and Maintenance Manual

manual • March 1, 2026

This manual provides detailed instructions for the installation, operation, and maintenance of FEBCO MasterSeries 850, 856, 870V, and 876V Double Check Valve and Double Check Detector Assemblies. It covers safety warnings, operational procedures, freeze protection, service guidelines, disassembly, reassembly, testing, troubleshooting, and…

Brand: FEBCO

MasterSeries® 860, 880V Reduced Pressure Assembly Installation, Operation, and Maintenance Manual

Installation, Operation, and Maintenance Manual • March 1, 2026

This manual provides detailed instructions for the installation, operation, and maintenance of FEBCO MasterSeries® 860 and 880V Reduced Pressure Assemblies. It covers safety warnings, operational procedures, service guidelines, troubleshooting, parts lists, and warranty information for these backflow prevention devices.

Brand: FEBCO

FEBCO LF860/LF866 Reduced Pressure Zone Assembly Manual: Installation, Maintenance, Repair

Manual • November 19, 2025

Comprehensive guide for installing, maintaining, and repairing FEBCO Series LF860 and LF866 Reduced Pressure Zone and Detector Assemblies. Covers safety, troubleshooting, and parts.

Brand: FEBCO

Febco LF860 Series 1 Inch Backflow Preventer with Flood Sensor User Manual

F683002 • March 24, 2026 • Amazon

Comprehensive user manual for the Febco LF860 Series 1 inch Lead-Free Bronze Reduced Pressure Zone Backflow Preventer Assembly, covering installation, operation, maintenance, and flood sensor setup with SentryPlus Alert technology.

Brand: Febco

Febco 825YA Series 1-1/2 Inch Bronze Reduced Pressure Zone Backflow Preventer Assembly with Flood Sensor User Manual

F825GYA • March 18, 2026 • Amazon

This manual provides comprehensive instructions for the Febco 825YA Series 1-1/2 Inch Bronze Reduced Pressure Zone Backflow Preventer Assembly with integrated Flood Sensor. Learn about its features, installation, operation, maintenance, and troubleshooting to ensure proper function and protection against back-siphonage and backpressure…

Brand: Febco

Febco 1313 860 Quarter Turn Shutoff Reduced Pressure Zone Assembly, 1-Inch User Manual

1313 • November 9, 2025 • Amazon

Official user manual for the Febco 1313 860 Quarter Turn Shutoff Reduced Pressure Zone Assembly, 1-Inch. Includes installation, operation, maintenance, and troubleshooting guidelines for this backflow prevention device.

Brand: Febco

Febco 905022 Rubber Repair Kit Instruction Manual for 1-1/2" - 2" 765 PVB

905022 • October 13, 2025 • Amazon

Instruction manual for the Febco 905022 Rubber Repair Kit, designed for 1-1/2" to 2" 765 PVB backflow preventers. Contains essential information for installation, maintenance, and troubleshooting.

Brand: Febco

Febco 905-052 765 Check Valve Assembly Repair Kit User Manual

905-052 • September 3, 2025 • Amazon

Comprehensive user manual for the Febco 905-052 765 Check Valve Assembly Repair Kit, including installation, maintenance, and specifications for 1"-1 1/4" Model 765 Pressure Vacuum Breakers.

Brand: Febco

Febco 850U-QT Double Check Backflow Valve User Manual

2613 • June 25, 2025 • Amazon

Comprehensive user manual for the Febco 2613 850U-QT Double Check Backflow Valve, covering installation, operation, maintenance, troubleshooting, and specifications for non-health hazard applications.

Brand: Febco