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MU1H-1034GE23 R0514
7
Honeywell GmbH
GB
10. Disposal
• Dezincification resistant brass housing
• High-quality synthetic material valve insert
• High-quality synthetic material spring bonnet with adjust-
ment knob and setting scale
• Spring steel adjustment spring
• Fibre-reinforced NBR diaphragm
• NBR and EPDM seals
Observe the local requirements regarding correct
waste recycling/disposal!
11. Troubleshooting
12. Spare Parts
13. Accessories
Problem
Cause
Remedy
Beating sounds
Pressure reducing valve is too
large
Call our Technical Customer Services
Water is escaping from the spring
bonnet
Diaphragm in valve insert is faulty
Replace valve insert
Too little or no water pressure
Shutoff valves up- or downstream of the
pressure reducing valve are not fully open
Open the shutoff valves fully
Pressure reducing valve is not set to the
desired outlet pressure
Set outlet pressure
Filter in pressure reducing valve is conta-
minated
Clean or replace filter
Pressure reducing valve is not fitted in flow
direction
Fit pressure reducing valve in flow direction
(note direction of arrow on housing)
The outlet pressure set does not
remain constant
Filter in pressure reducing valve is conta-
minated or worn
Clean or replace filter
Valve insert, sealing ring or edge of nozzle
is contaminated or worn
Replace valve insert
Rising pressure on outlet (e.g. in boiler)
Check check valve, safety group etc.
No. Description
Dimension
Part No.
1
Spring bonnet
complete with setting
scale
1
/
2
" - 1"
0901515
1
1
/
4
" - 2"
0903890
2
Valve insert
complete (without
filter)
1
/
2
" - 1"
D05FA-1/2B
1
1
/
4
" - 2"
D05FA-11/4B
3
Replacement filter
insert
1/2" - 1"
ES05F-1/2A
4
Blanking plug with O-
ring R
1
/
4
" (5 pcs.)
1
/
2
" - 2"
S06K-1/4
M38K Pressure gauge
Housing diameter 50 mm, below connection thread
G1/4". Ranges: 0 - 4, 0 - 10, 0 - 16 or 0 - 25 bar.
Please indicate upper value of pressure range when
ordering
DS05
Insulation shells
Please indicate nominal size (1/2 to 2") when orde-
ring e.g. DS05-1/2
ZR06K Double ring wrench
For removal of spring bonnet
VST06-A Connection set
Threaded connections
VST06-B Connection set
Solder connections