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how can i fix vaillant oco f75 if i cant refill water?

Turn both taps and nothing happens
alan, January 2014
Free up the taps, you'll find the plastic on the taps are moving, but one (or both) will be spinning on the brass taps underneath, remove the plastic, free the brass with wd40 (or similar), and they will work again.

Carefree, January 2014
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