Spare required for Challenge Xtreme 2400W Washer?

I have a fairly new Challenge Xtreme 2400W Machine. I also have a fox which visits nightly and nicks anything left lying around, it's latest theft from a doorstep is the connector part of the Challenge for the lances, marked "Y" on page 3 of the manual. Does anyone know where I can get a replacement, or does anyone have a spare from a defunct machine

John McCreadie
"Glen Orchy"
Bishopton
PA7 5AP
01505-863245