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4. Installation:
4.1 Close the main valve (stop tap) and make sure pressure is released from the piping. This
can be done by opening at least one tap.
4.2 Cut into the cold water mains supply in order to install two angled (or similar) isolation
valves, one for the mains inlet and one for the mains outlet.
4.3 ENSURE THE BYPASS VALVE IS SET TO “BYPASS” Connect the mains inlet to the bottom
port of the bypass unit using the hose supplied and the mains outlet to the top port of
the bypass unit with the remaining hose.
4.4 Connect the bypass unit to the softener, by gently pushing the bypass into the two ports
on the back of the valve ensuring that the inlet filter does not fall out. Insert the two clips
fully to secure the bypass. (note that the 450 has two extenders). Ensure that bypass is
the correct way up with the Service / Bypass knob at the top.
OUTLET
INLET
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