First of all can I say a huge thank you to all the people who posted replies to me when we joined last year. Unfortunately we couldn't use our familiar 320 until this year but have now been to the Peak District for a few days to try everything out. It was great but there are a few things we need to fix. Both water taps ie kitchen sink and bathroom are leaking from underneath. The boss investigated and says there is a large black nut underneath the tap which holds the white plastic tap base in place. In both cases the water appears to be dripping out of the centre of the threaded white plastic base. Has anyone got any ideas on how he goes about fixing it.