WATER FED POLE WINDOW CLEANING HIGH FLOW DIAPHRAGM PUMP 12V, 5.5L/MIN, 80PSI This pump is equivalent to Shurflo and Flojet pumps with a lower price tag. The only difference it has 80psi pressure switch not 100psi. Propump DP-80 Pressure pump can be used for any WFP van system or Trolley System. As usual we advise you to use a latest Digital Pump controller with this pump for precision flow control and also to protect your pump. --- 12v DC --- 80PSI switch --- 5.5L/Min ---Inlet /Outlet fitting: 3/8” Thread or Hose barb (if you need ½ “ straight barb fitting you should buy it separately ---Pump with internal bypass ---Run dry without damage ---Duty cycle: Intermittent This pump comes with BACK TO BASE Industrial Limited Warranty. Any problem you have, you must send the product back us at your cost. Wear and Tear parts are not warranted. Professional installation required, it does not come with drawing.