21
sealing Washer / Filter
Inlet Connector / Non-return
Valve Housing
Non-return Valve
Maintaining the non-return Valves
The non-return valves are located in the thermostatic bar valve body, and are
accessible through the inlet connectors.
Caution!
Make sure that the non-return valves are installed correctly to prevent
crossflow or malfunction of the valve.
1.
With the water supplies turned off and
the thermostatic bar valve removed,
remove the sealing washer / filter.
2.
Unscrew the non-return valve housing
using a 12 mm hexagonal wrench.
note!
The non-return valve housing
has a
Left Hand Thread
, turn
clockwise to unscrew.
3.
Carefully remove the non-return
valve and clean any debris.
4.
on re assembly make sure that the
non-return valve is fitted the correct
way round (with the arrow indicating
the flow pointing towards the valve).
Filters
The sealing washers/filters are located in the inlet connector. Clean or renew as
necessary.
Important!
Make sure that the sealing washer/filter is fitted in the correct
orientation.
