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20.9 To Remove Pressure Relief Valve and Air Purge Valve
20.10 To Remove Flow Sensor
Make sure plug is fully
close in clockwise direction.
Apply some water based
grease on packing surface
before fix with shut off valve.
During reinstall Air Purge Valve.
Packing
Pressure Relief Valve
2. Remove 2 retaining ring.
3. Pull down to remove the water hose.
4. Pull out to remove
Pressure Relief Valve.
Air Purge Valve
1. Turn the Air Purge Valve
anti-clockwise, then relea se
the retaining ring and pull
out the air purge valve .
1. Disconnect the connector of CN-FLWSE N
from the Water side Electronic Controller Board
3. Lift up slowly to remove the flow senso r.
2. Remove 2 retaining ring
Flow Sensor
When reinstall the water pipe, use grease or water
at the joining