824–006 series a 2000 psi (138 bar) operating pressure 2400 psi (165 bar) maximum working pressure; 824–007, series a 2800 psi (193 bar) operating pressure 3200 psi (225 bar) maximum working pressure (24 pages)
Model 226-813 series "a" includes hose and gun kit and chemical injector kit for injecting cleaning chemicals downstream from pump. 1000 psi (70 bar) operating pressure 1260 psi (83 bar) maximum working pressur (11 pages)
2500 psi 172 bar operating pressure, 2900 psi 200 bar maximum working pressure, 3000 psi 207 bar operating pressure, 3400 psi 234 bar maximum working pressure (20 pages)