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10. Troubleshooting
Disturbance
Discharge valve opens without
apparent reason
Discharge valve don't close
Flow is to low
1
11. Spare Parts
1 Cartridge insert
1
1
complete
2 Check valve insert
1
1
complete
MU1H-1235GE23 R0107
Cause
Pressure strokes in water supply system Install a pressure reducing valve
Fluctuating inlet pressure
Cartridge insert is contaminated
Deposits on valve seat
Damaged 'o'ring
Leaky discharge valve
Inlet strainer is blocked
/
"
0903745
2
/
"
RV295STN-11/2C
2
GB
12. Accessories
TK295
TK295 Test kit
2
Electronic pressure measuring device with
digital indicator, battery-operated.
With case and accessories, ideal for inspec-
tion and maintenance of backflow preventer
type BA.
TKA295 Test kit
Analogue pressure measuring device with
differential pressure display.
With case and accessories, ideal for inspec-
tion and maintenance of backflow preventer
type BA.
7
Remedy
upstream the backflow preventer
Install a pressure reducing valve
upstream the backflow preventer
Remove cartridge insert and
exchange it
Remove cartridge insert and clean or
exchange it
Remove cartridge insert and
exchange it
Remove cartridge insert and clean or
exchange it
Remove strainer and clean it
TKA295
Honeywell GmbH
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