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Rev 8.1 Aug-15 Page
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Flow Restrictors (Mini & Midi Models Only)
Pressurisation equipment fitted with a plastic, side-entry torbeck valve must be fitted with a filter
and – depending on the mains water pressure – a flow restrictor. Failure to do this may result in
damage to the equipment.
Two different flow restrictors are supplied with the equipment, both of which include an integral filter. The
selection of the appropriate flow restrictor is based on the maximum mains water pressure at the point of
installation. Please refer to the following table for selection.
Mains Water Pressure
Requirement
Below 1 Bar
No Restrictor. Install Filter Only
1 – 4 Bar
Low Pressure Restrictor (coloured)
Above 4 Bar
High Pressure Restrictor (white)
If no restrictor is required, the filter must be removed from one of the restrictors and installed on its own. The
following diagram shows how to remove the filter:
To install the flow restrictor/filter, hold it by the tab and push it into the opening of the float valve connection,
as shown in the diagram below:
