A top DIY site has warned home design enthusiasts about the dos and donts of meddling with taps.Diyfixit.co.uk urged those working on taps to consider making smaller changes, with concern always given to the supply.If you wish to replace only the taps of an installation, you will need to disconnect the existing ones where they join the supply. First, switch off the supply to both hot and cold, then drain the excess water by opening the taps, said the site.Other warnings were by no means unclear, with the site insisting do not use a hot air stripper in the vicinity of water, recommending cautious use of a blow torch instead for tackling welded connections.Many people in the UK prefer to address kitchen problems themselves, rather than to go to specialists, but some more dangerous electrical operations are discouraged by professionals.Andrew Leech, technical consultant to the National Home Improvement Council, did however, tell DIYers You can tackle modest projects like plumbing in a bath or a sink, theres no particular problems there.