Potterton Promax 12 SL Installation And Service Instructions Manual page 42

15.0 Changing Components
15.3 Flowswitch
(Fig. 47)
1. Drain the boiler (see Section 15.1 paragraph 2 & 3).
2. Remove the two screws on the support bracket.
3. Remove the clip securing the flow pipe to the
flowswitch.
Support Bracket
4. Disconnect the inline electrical connection.
5. Pull pipe away from flowswitch.
6. Remove the two screws securing the flowswitch to
the boiler.
7. Remove the flowswitch.
8. Fit the new flowswitch and reassemble in reverse
order.
Flow Switch
9. Recommission the boiler and check the inhibitor
concentration (see Section 6.2 and 12.1).
Flow Pipe
Fig. 47
Clip
42
© Baxi Heating UK Ltd 2007