Rotex GasSolarUnit Series - Replacing the Cables;Leads and Sensors30

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Fig. 4.4.5: Undoing the boiler control panel
fixing screws
4.5 Replacing the cables/leads and sensors
Fig. 4.4.4: Removing leads/cables
Fig. 4.5.1: Replacing the return (38) and flow sensor (37)
Fig. 4.4.3: Pulling coded plugs from the PCB