12 VDC DIAPHRAGM PUMP Brand new, SHURFLO model 8000-543-236 automatic demand diaphragm pump. Ideal for spot sprayers or as replacement on existing equipment. Santoprene diaphragm and Viton valves. Automatic shut off switch set to 60 PSI. Pump turns on between 15 and 20 PSI lessthan the set shut off pressure. Self priming to 8 ft. Can run dry intermittently without damage. Wire leads. Rubber vibration damper mounting feet. Metal fittings or rigid pipe are not recommended for plumbing.