OSO Immersion Heater Box Key D6052
Suitable for the following models:
Super S
Solarcyl
20 Series
F1 series
Immersion heater box key new OSO part number D6052 previous part number 73450
The New OSO Immersion heater box key has two hex ends 51mm on one side and 43mm on the other. The previous model only had one hex end.
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