variable power supply 30v 5A- faulty, for parts (Putney SW15)

Our Repair Cafe cellar got flooded recently, resulting in the unit switching on but not working. Apparently it can be repaired using a new internal power supply.
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Collect any Tuesday from 2nd January between 11am and 2pm from: The Workshop, down the side alley opposite bell tower of St Mary's Church, by Putney Bridge SW151SN.
Note we are only open on this day and time.
Parking normally available in the forecourt