I put the wand down to block the couch and speak to the custy and 5 mins later i pulled the trigger and Bam,black shit shot out of the jets on to ms piffs carpet.this is wild and a first for me.I run a wanner pump AND A SG-PTO.has this ever happend to u.I think its the Oring in wand valve or the diaphrams in the pump???????????????????? :shock: :shock: