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IS-F-RFK-FS-825-BMS 

Installation Instructions 

BMS Flood Sensor 
Retrofit Connection Kit 

Series 825Y, LF825Y 
Series 825YA, LF825YA 

3

4

" – 2" 

Read this Manual BEFORE using this equipment. 

Failure to read and follow all safety and use infor

mation can result in death, serious personal injury, 

property damage, or damage to the equipment. 

Keep this Manual for future reference. 

­

You are required to consult the local building and plumbing codes prior 

to installation. If the information in this manual is not consistent with 

local building or plumbing codes, the local codes should be followed. 

Inquire with governing authorities for additional local requirements. 

NOTICE

 

Use of the SentryPlus Alert

®

 technology does not replace 

the need to comply with all required instructions, codes, 

and regulations related to the installation, operation, and 

maintenance of the backflow preventer to which it is 

attached, including the need to provide proper drainage in 

the event of a discharge. 
Watts

®

 is not responsible for the failure of alerts due to 

connectivity or power issues. 

Monitor relief valve discharge with smart and connected sensor 

technology to detect flooding and transmit notification. The 

BMS Flood Sensor Retrofit Connection Kit upgrades existing 

installations by integrating and activating the sensor to enable 

functions for flood detection. When excessive relief valve 

discharge occurs, the sensor energizes a relay signaling flood 

detection and triggers real-time notification of potential flood 

conditions through the building management system. 

Summary of Contents for FEBCO LF825Y Series

Page 1: ...entryPlus Alert technology does not replace the need to comply with all required instructions codes and regulations related to the installation operation and maintenance of the backflow preventer to w...

Page 2: ...427 A Activation module with 8 conductor cable and ground wire B 24V DC power adapter C Small sensor for valve sizes 3 4 to 1 large sensor valve sizes 1 to 2 NOTICE When installing an air gap attach t...

Page 3: ...wet threshold and time delay Scan the QR code for more information 1 Set the assembly for attachment of the flood sensor to the rim of the relief valve body beneath the relief valve outlet 2 Thread t...

Page 4: ...one year from the date of original shipment In the event of such defects within the warranty period the Company will at its option replace or recondition the product without charge THE WARRANTY SET F...

Page 5: ...la technologie SentryPlus Alert ne remplace pas la n cessit de se conformer toutes les instructions tous les codes et tous les r glements requis li s l installation au fonctionnement et l entretien d...

Page 6: ...re B Adaptateur d alimentation 24 V CC C Petit capteur pour les dimensions de robinet de 3 4 pouce 1 9 cm 1 pouce 2 5 cm grand capteur dimensions de robinet de 1 pouce 3 2 cm 2 pouces 5 1 cm AVIS Lors...

Page 7: ...rents Balayez le code QR pour plus d informations 1 R glez l assemblage pour la fixation du capteur d inondation sur le rebord du corps de la soupape de d charge sous la sortie de la soupape de d cha...

Page 8: ...r une p riode d un an compter de la date d exp dition d origine Si une telle d faillance devait se produire au cours de la p riode sous garantie la Soci t pourra sa discr tion remplacer le produit ou...

Page 9: ...idad de cumplir con todas las instrucciones la normas y los reglamentos necesarios relacionados con la instalaci n la operaci n y el mantenimiento del dispositivo de prevenci n de contraflujo al que e...

Page 10: ...44 m y cable de tierra B Adaptador de alimentaci n de 24 V C Sensor peque o para tama os de v lvula de 3 4 in a 1 in 1 9 cm a 2 5 cm sensor grande tama os de v lvula de 1 in a 2 in 3 17 cm a 5 08 cm...

Page 11: ...tiempo diferentes Escanee el c digo QR para obtener m s informaci n 1 Ajuste el ensamblaje para conectar el sensor de inundaci n al borde del cuerpo de la v lvula de alivio debajo de la sali da de la...

Page 12: ...ial y la mano de obra cuando se usen en forma normal durante un periodo de un a o a partir de la fecha de env o original En caso de que tales defectos se presenten dentro del per odo de garant a la Co...

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