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Honeywell GmbH
7
MU1H-1248GE23 R1114
GB
10. Troubleshooting
11. Spare Parts
12. Accessories
Disturbance
Cause
Remedy
Discharge valve opens without appa-
rent reason
Pressure strokes in water supply system
Install a pressure reducing valve upstream
the backflow preventer
Fluctuating inlet pressure
Install a pressure reducing valve upstream
the backflow preventer
Cartridge insert is contaminated
Replace complete replacement unit
Discharge valve does not close
Deposits on valve seat
Replace complete replacement unit
Damaged ’o’ring
Replace complete replacement unit
Leaky discharge valve
Replace complete replacement unit
Flow is too low
Inlet strainer is blocked
Clean or replace strainer
No. Description
Part No.
1
Replacement unit
- brass rough
- chrome plated
AE295D
AE295D-C
2
Strainer
S295D
3
Cartridge insert
0903733
4
Check valve insert
2110200
5
Set of blanking plugs (5 pieces each)
plastic for BA295D-3/4WH
S06K-1/4
brass for BA295D-3/4WHS
PS295STN
6
Seal brackets (10 pieces)
PS295D
7
Retaining clip (10 pieces)
HK295D
8
Seal bracket for tap
PS295D-Z
2
5
1
6
3
7
4
6
8
TK295
Test kit
Electronic pressure measuring device with digital
indicator, battery-operated.
With case and accessories, ideal for inspection
and maintenance of backflow preventer type BA.
TKA295 Test kit
Analogue pressure measuring device with diffe-
rential pressure display.
With case and accessories, ideal for inspection
and maintenance of backflow preventer type BA.
WS295STN Maintenance-set
Maintenance-set for BA295STN and BA295D
type backflow preventers for use with Test kit
TK295 resp. TKA295
TK295
TKA295
3x
1x
1x
WS295STN