System Bypass; Diverter Valve - Vaillant TURBOmax Pro 28 Instructions For Installation And Servicing

Fig. E.13: Automatic Bypass
Fig. E.14: Diverter valve
2
3 1
5
6
PARTS REPLACEMENT

System bypass

Refer to the important information
and initial preparation on page 45.
Release central heating water
pressure.
Remove spring clip (2)
Undo union (1), remove
bypass/connecting pipe.
Pull apart bypass and connecting
pipe.
Re-assemble in reverse order.

Diverter valve

Refer to the important information
and initial preparation on page 45.
Release central heating water
4
pressure.
Disconnect the plug (4) from the
diverter valve.
Remove the spring clip (5).
Undo the unions (6) and remove
the diverter valve.
Re-assemble in reverse order.
7
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