Snap-in-ports. Self priming up to 10 ft. (3m). High pressure jet blasts mud and silt from anchor chain and decks. Super quiet, diaphragm design allows dry running. Thermal overload protection automatically stops the motor if it overheats due to overloading, with auto re-start feature. Complies with USCG 183.410 and ISO 8846 MARINE (Ignition Protection). Shut-off pressure 50 psi (3.5 bar). Fuse 10 amp.