Dhw Heat Exchanger; Pressure Relief Valve - Vaillant TURBOmax Pro 28 Instructions For Installation And Servicing

5
Fig. E.17: DHW heat exchanger
Fig. E.18: Pressure relief valve
1
3
2
4
5
PARTS REPLACEMENT

DHW heat exchanger

Pressure relief valve

6
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.
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.
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