went to machine and fault code said pressure switch ,i phoned cds and they said it was part no1605319 which they duly sent.went to fit but the connecions need to be rotated 180 degrees.i phoned cds again then they said it was part no 1604875 which on arrival is the same connections as the first. can anyone advise which is the correct part .the w/m is grey 6kg load ,regards tedd