WHY CHOOSE DAVEY Firefighter® Twin Stage Self Priming Pumps? Patented clamped impeller design to enable longer impeller life, improved performance and easier disassembly in the case of blockage. Twin impeller design provides extra strong pressure for longer and higher pumping applications. Thrust balanced impeller design to extend engine life. Pump casing, diffusers and impellers manufactured from quality corrosion resistant marine grade aluminium for long life. Choice of 3 or 4 way (dependant upon model chosen) discharge port for easy installation with a choice of plumbing sizes. Polyester coated pump casing, exterior and interior, for added corrosion resistance. Patented floating impeller neckrings front and back. The front neckrings help improve pumping efficiency, the back neckrings help extend seal life and dramatically reduce engine wear. Self priming from 6m for more versatile installation options. Large priming and drain port with bayonet fit plugs. Plugs have safety retention system, plus are available with 1/4” tapping to accept pressure gauges or drain cocks. Low-oil protection on all models - engines won’t start or run if oil level is inadequate, thus protecting your engine. Electric start models have electric starter (battery and leads required) and recoil starter fitted, ensures a choice of starting methods, even if the battery is flat or removed. “HV3” models come with Viton® seal, orings, gaskets, caps etc. fitted for improved chemical resistance. (Please seek specialist advice from chemical supplier if pumping chemicals. Use of aggressive chemicals may void warranty.) All engines conform to the tough environmental requirements of the USA EPA, CARB and the proposed Australian Emissions Standards, to help look after the environment.