The j 2900 high pressure water jetting machine offers a flexible and economical method of clearing and maintaining drainage systems delivering a flow rate of 34gpm at 3000psi the j 2900 is ideal for most domestic and commercial soft stoppages in 100 150mm diam drain lines driven by an 11hp honda engine connected directly to a triplex pump the j 2900 can easily be moved from van to van and between sites thus offering complete flexibility supplied with 200 ft of clearing hose and a four pi