3 ms·I don't know about the UK but here in Europe dishwashers don't use the hot tap.by CorrectHorseBat 5y agoI don't know about the UK but here in Europe dishwashers don't use the hot tap.bserge 5y agoOlder ones did, same for washing machines. I guess it stuck in the US for whatever reason.duncans 5y agoSame in the UK. Most hook up to the cold water supply only.