... running and quality insulation5. SCHNEIDER brand for leakage protector, air switch and AC contactor6. Pre-filtering sieve is available7. Oil Pre ... box: This system comes with a plastic distribution box for switch of pump on and off, heating, indication, easy operating.5. ... Liquid meterAPPLICATION SCOPE:The unit suits for all kind of vegetable oil, waste vegetable, animal fat, used cooking oil. ( ...