55
PARTS REPLACEMENT
DHW heat exchanger
●Refer to the important information
and initial preparation on page 45.
●Release central heating water
pressure.
●Remove the diverter valve and
pump as previously described.
●Disconnect wire from the NTC.
●Remove the spring clips (3 and 4).
●Undo the bottom left hand union
(2).
●Push the heat exchanger (5)
backwards to disconnect.
●Re-assemble in reverse order.
Pressure relief valve
●Refer to the important information
and initial preparation on page 45.
●Release central heating water
pressure.
●Remove the spring clip (5).
●Disconnect the discharge pipe from
the pressure relief valve.
●Remove pressure relief valve.
●Re-assemble in reverse order.