spare part, lance, for xtreme pressure washer DW-1840BV)?

same here & same problem - bought one from Argos in May and on my third ude the lance started to leak and couldnt use it. I did try taking the middlepart out (whre the leak was) and reconnected the end bit to the gun but it was leaking the the joint!!! may be it wasnt connected properly (I'm not a DIY expert!!!) I have read afew of the suggestions on here and may try one of them - Thank you all and glad to know it wasnt just me!!