Hall Effect Sensor; Dhw Flow Regulator And Filter; Safety Pressure Relief Valve - Potterton 36 Installation And Service Manual

Fig.59 Remove hall effect sensor
Fig.60 Remove flow regulator and filter
Fig.61 Remove safety pressure relief valve
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1
3
4
9.3.7

Hall effect sensor

1. Ease the sensor upwards off the hydraulic inlet manifold assembly.
2. Disconnect the electrical plug from the sensor.
3. Connect the plug to the new sensor. Carefully fit the new sensor to
the hydraulic assembly, ensuring it is fully down.
PN-0000314
9.3.8

DHW flow regulator and filter

1. Close the cold mains inlet and draw off any residual DHW.
2. Pull off the hall effect sensor.
3. Unscrew the filter assembly from the inlet / return manifold.
PN-0000313
9.3.9

Safety pressure relief valve

1 Safety pressure relief valve
2 "O" ring seal
3 Sealing grommet
4 Discharge pipe
5 Grub screw
1. Drain the primary circuit.
2. Disconnect the discharge pipe from the valve and remove the seal­
ing grommet.
3. Using a suitable hexagon key undo the grub screw sufficiently to re­
lease the valve.
5
4. Note the orientation of the valve, rotate it and withdraw it from the
PN-0000312
manifold.
5. Fit the new valve and 'O' ring seal and set to the previously noted
orientation. Tighten the grub screw.
6. Reconnect the discharge pipe ensuring the sealing grommet is in
place to maintain the integrity of the case seal.
9 Maintenance
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