Troubleshooting
SYMPTOM
CAUSE
SOLUTION
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
Chatter during flow conditions
Worn, damaged or defective guide
Disassemble and repair or replace guide
Low flows passing through
mainline valve
Mainline check fouled
Disassemble and clean
Meter strainer plugged
Damaged mainline seat disc or seat
Disassemble and replace
Broken mainline spring
Add-on and Retrofit Sensor Connection Kits for Building Management Systems
ORDERING CODE
ADD-ON/RETROFIT KIT
DESCRIPTION
88003056
FP-BF-BMS
BMS Sensor Connection Kit
Series 009, LF009, LFU009, SS009,
U009
Sizes ½" to 3"
Includes sensor activation module with cable, deflector (4),
ground wire, and power adapter. Use this kit to activate the
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
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
BMS Sensor Retrofit Connection Kit
Series 009, LF009, LFU009, SS009,
U009
Sizes 1" to 1½"
Includes flood sensor, deflector (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
BMS Sensor Retrofit Connection Kit
Series 009, LF009, LFU009, U009
Sizes 2" to 3"
Includes flood sensor, deflector, 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).
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