Potterton Promax 15 HE Installation And Servicing Instructions page 30

Support
Bracket
Flow Switch
Flow Pipe
Clip
30
Supplied By www.heating spares.co Tel. 0161 620 6677
Fig. 47
13.0 Changing Components
13.3 Flowswitch (Fig. 47)
1. Drain the boiler
(see Section 13.1 paragraph 2 & 3).
2. Disconnect pipework, loosen elbow locking nut
and undo screws on support bracket.
3. Remove the clip securing the flow pipe to the
flowswitch.
4. Remove the two screws securing the flow
switch to the boiler.
5. Disconnect the inline electrical connection.
6. Remove the flowswitch.
7. Fit the new flowswitch and reassemble in
reverse order.
8. Recommission the boiler and check the
inhibitor concentration (see Section 6.2 and 10.1).