At least £400 is offered to readers when you trade in any air con charging unit (working or not) and purchase Texa's entry level 710R R134a machine from Javac UK. The 710R is fully automatic and has car, van, truck and agricultural databases and the option to create your own. The unit provides leak detection, electronic refrigerant weighing and automatic timed oil and UV tracer injection. Every charge performed is recorded by the printer and can be downloaded to a PC. A two year warranty and training are provided with the machine.