HSP-3504-3MGH The Electro Magnetic Firing (EMF) system of the HSP Series, along with its unique burner design, makes this popular hot water pressure washer one of the most "in-demand" in the industry. It's a great solution for removing heavy mud from construction and ag equipment. Pump: Preset stainless-steel and brass unloader valve · Forged brass manifold · Thermal relief valve · Low pressure detergent injector Frame: Reinforced powder coated steel tube frame with center balanced lift · Convenient gun/wand holder and hose wrap · 13-inch flat-free tires Components: No. 1 or No. 2 diesel or kerosene fired burner (Not approved for bio-fuel) · Top-fired powder coated heat exchanger Miscellaneous: Temperature rise 150°F/66°C above ambient, maximum outlet temperature is 200°F Unit Includes: Quick connect nozzles - 0°, 15°, 25° and 40° · 50-foot x 3/8-inch steel wire-braided high pressure hose with quick connects · Adjustable pressure insulated dual lance · Professional-grade insulated trigger gun with safety lock-off