To reduce back pressure build up in your pumping system remember to close your nozzle slowly for smoother operation. Releasing the nozzle's handle too quickly can cause an unwanted rise in pressure to your pumping system possibly damaging seals, valves and other vital equipment. Check out our online parts catalog  for replacement nozzles and spouts and swivels. Call Us at 800-859-8265 before 3:00pm and we can ship your order that day.