My neighbour's boiler has lost pressure. She has the handle to turn the left hand pressure nut but there is no handle on the right hand one. Can this be turned safely with a spanner? Are these Vaillant keys all the same size? I can't seem to find any for her model
Vaillant EcoTEC Plus F75 pressure key
- Thread starter Vicario
- Start date
Yes a spanner is ok ,7 mm i think
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