Pressure Gauge; Aqua Sensor - Vaillant TURBOmax Pro 28 Instructions For Installation And Servicing

PARTS REPLACEMENT
1
2
Fig. E.15: Pressure gauge
3
Fig. E.16: Aqua sensor
54
2
1
4
6

Pressure gauge

Refer to the important information
and initial preparation on page 45.
Release central heating water
pressure.
Pull out the four retaining clips and
remove the pressure gauge from
fascia.
Remove retaining clip and
disconnect pressure gauge
capillary tube.
Re-assemble in reverse order.

Aqua sensor

Refer to the important information
and initial preparation on page 45.
Release central heating water
pressure.
Remove the spring clip (1).
Undo union nut between the cold
water inlet service valve and aqua
sensor.
Remove the spring clip (3).
Pull the aqua sensor forward and
release cable.
Remove aqua sensor.
Remove the spring clip (6) and
disconnect blanking plate.
5
Re-assemble in reverse order.