Watts re serves the right to change or modify prod uct
de sign, con struc tion, spec i fi ca tions, or ma te ri als with out
prior notice and without in cur ring any obligation to make
such chang es and mod i fi ca tions on Watts prod ucts
previously or subsequently sold.
Symptom Cause Solution
1. Check valve fails to hold 1.0
PSID minimum
Debris on check disc sealing surface Disassemble and clean
Leaking isolation valve Disassemble and clean or repair
Damaged seat disc or seat O-ring Disassemble and replace
Damaged guide holding check open Disassemble and clean or replace
Weak or broken spring Disassemble and replace spring
2. Chatter during flow
conditions
Worn, damaged or defective guide Disassemble and repair or replace guide
3. Low flows passing through
mainline valve
Mainline check fouled Dissasemble and clean
Meter strainer plugged
Damaged mainline seat disc or seat Disassemble and replace
Broken mainline spring
For repair kits and parts, refer to the Backflow
Prevention Products Repair Kits & Service Parts
price list PL-RP-BPD at watts.com.
Part Number Add-on/Retrofit Kit Description
88003056 FP-BF-BMS-1/2-2
BMS Sensor Connection Kit
Series 009-FS, LF009-FS, LFU009-FS, SS009-FS,
U009-FS
Sizes ½" to 2"
Includes sensor activation module with cable,
deflectors (4), ground wire, and power adapter. Use this
kit to activate the integrated flood sensor and enable
flood detection capabilities on the relief valve of a new
installation working with a BMS controller (not included).
88003057 FP-RFK-BF-BMS-CFS-1/2-3/4
BMS Sensor Retrofit Connection Kit
Series 009, LF009, LFU009, SS009, U009
Sizes ½" to ¾"
Includes flood sensor, deflector, sensor activation module
with cable, ground wire, and power adapter. Use this
kit to install the flood sensor and enable flood detection
capabilities on the relief valve of an existing installation
working with a BMS controller (not included).
88003058 FP-RFK-BF-BMS-CFS-1-11/2
BMS Sensor Retrofit Connection Kit
Series 009, LF009, LFU009, SS009, U009
Sizes 1" to 1½"
Includes flood sensor, deflectors (2), sensor activation
module with cable, mounting bolts, ground wire, and
power adapter. Use this kit to install the flood sensor and
enable flood detection capabilities on the relief valve of
an existing installation working with a BMS controller (not
included).
88003059 FP-RFK-BF-BMS-CFS-2
BMS Sensor Retrofit Connection Kit
Series 009, LF009, LFU009, U009
Size 2"
Includes flood sensor, deflector, sensor activation mod-
ule with cable, mounting bolts, ground wire, and power
adapter. Use this kit to install the flood sensor and
enable flood detection capabilities on the relief valve of
an existing installation working with a BMS controller (not
included).
6
Troubleshooting
Add-on and Retrofit Sensor Connection Kits for Building Management Systems
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