45
14.0 Changing Components
© Baxi Heating UK Ltd 2014
14.16
Pressure Gauge (Figs. 79 & 80)
1. Drain the primary circuit and undo the nut on the
pressure gauge capillary.
2. Undo the screws securing the gauge retaining bracket.
3. Remove the bracket and gauge assembly. Depress the
barbs on the side of the gauge and remove the retaining
bracket.
4. Examine the sealing washer, replace if necessary.
5. Reassemble in reverse order.
14.17
Pressure Relief Valve (Fig. 81)
1. Drain the primary circuit.
2. Disconnect the discharge pipe from the valve. Using a
suitable hexagon key undo the grub screw sufficiently to
release the valve.
3. Note the orientation of the valve, rotate it and withdraw
it from the manifold.
4. Fit the new valve and ‘O’ ring seal and set to the
previously noted orientation. Reassemble in reverse order.
Pressure Gauge
Gauge Retaining
Bracket
Fig. 80
Fig. 79
Fig. 81
Pressure Gauge
Capillary
‘O’ Ring
Seal
Discharge Pipe
Grub Screw
