innovative and functional design pump with 3 ceramic pistons, rod/crunk system and brass head 4 or 2 pole electric motor (1400 or 2800 Rpm), continuous duty with overload thermal switch elastic coupling between motor and pump (1400rpm models) delayed auto-stop 20 burner protection device water level check microleakages check reinforced, acoustic insulated polyethylene made frame and handle (wide thickness), integrated fuel tank and integrated chemical tank, self-extinguishing and 100% recyclable 24 Volt switchboard, ABS, class of insulation IP55, self extinguishing and 100% recyclable. Easy accessibility to the components 2 wide section fixed wheels (260mm) and 2 revolving braked wheels (100mm) vertical boilers in stainless steel with separate gas oil pomp with efficiency > 90% (low fuel consumption) separate regulation valve with the pump set to zero when the spray gun is closed security valve highly sensitive thermostat with direct immersion bulb and constant temperature control direct feeding with detergent aspiration device in low pressure (high pressure with water tank in optional) with metering system hose, lance with automatic gun as standard professional accessories (hose reel mt. 20 in optional)