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Mend Worcester Bosch 280 RSF Boiler Heating

Worcester Bosch 280 RSF boiler?

What is the specification of the rechargeable backup battery soldered to the printed circuit board of the electronic timer/programmer, as I wish to replace it and no info is attached to old battery.

colin
December 2013
already contacted Manufacturer of timer and they will not provide info

colin
December 2013
ring the manufacturer of the timer

Q
December 2013

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