50kW Indirect oil heater 1.Mobile air heater 2.Cut-off protection 3. Oil display 4. ... external powder coating5. With flame sensor6. If no oil , heater will cut off the power7. Fixed Oil display8. Cut-off ... professional manufacturer specialized in heaters.* Industrial fan heater, industrial diesel heater, gas forced heater,radiator heater,quartz heater etc.* Main markets: Germany, Denmark, Norway, ...