Many thanks to all.....a lovely lunch on the Roseland Peninsula and then a trip to St Mawes, followed by a few drinky-poos with friends, the only issue being the serious storms now rolling through and preventing the barbie being lit.
My lack of brilliance and knowledge of plumbing has solved the water crisis, having drawn off three bath equivalents and 'sucked' the lock out - at least now, the aqua is hot again.
Relief and Barmaid's comment was brilliant - she must be a QC or in waiting for remarks like that A-qua-Counsel......